diff --git a/Master.conf b/Master.conf
index 7a14a6a..fcbcf3a 100644
--- a/Master.conf
+++ b/Master.conf
@@ -2,98 +2,160 @@
 #-----------------------------------------------------------------------------------------------
 #----------------------------- Master Variables for unRAID scripts -----------------------------
 #-----------------------------------------------------------------------------------------------
+#----------------- User Variables, Please adjust here in Master.conf as needed -----------------
+#-----------------------------------------------------------------------------------------------
+# This is the master.conf file, it contains all the variables used by
+# all scripts. It is sourced by each script at runtime, so any changes here will
+# affect all scripts immediately. This is where you should adjust any settings or variables
+# that you want to apply globally across all your scripts 
+#
+#This allows for one centralized location for all your configurations, making it easier to manage 
+# and maintain your scripts. You can adjust the variables below as needed.
+#
+#-----------------------------------------------------------------------------------------------
+#---------------End Of User Variables, Please adjust here in Master.conf as needed -------------
+#-----------------------------------------------------------------------------------------------
 
 #-------------------- Host Configuration --------------------
 # Hostnames of both servers
 HOST1="unRAID-Gmer4Lfe"
 HOST2="unRAID-Jayred365"
 
-# SSH Key Mapping (data only)
-declare -A SSH_KEYS
-SSH_KEYS["unRAID-Gmer4Lfe|unRAID-Jayred365"]="/root/.ssh/Gmer4Lfe-rsync-key"
-SSH_KEYS["unRAID-Jayred365|unRAID-Gmer4Lfe"]="/root/.ssh/Jayred365-rsync-key"
+# Detect local hostname
+LOCAL_HOSTNAME="$(hostname)"
+if [[ "$LOCAL_HOSTNAME" == "$HOST1" ]]; then
+    LOCAL_SERVER_NAME="$HOST1"
+    REMOTE_SERVER_NAME="$HOST2"
+elif [[ "$LOCAL_HOSTNAME" == "$HOST2" ]]; then
+    LOCAL_SERVER_NAME="$HOST2"
+    REMOTE_SERVER_NAME="$HOST1"
+else
+    echo "Error: Local hostname ($LOCAL_HOSTNAME) not recognized."
+    exit 1
+fi
+echo "Local server: $LOCAL_SERVER_NAME"
+echo "Remote server: $REMOTE_SERVER_NAME"
+
+
+# Remote Server Ip Resolution
+# Resolve Tailscale IP dynamically
+REMOTE_SERVER=$(tailscale ip -4 "$REMOTE_SERVER_NAME" 2>/dev/null)
+if [[ -z "$REMOTE_SERVER" ]]; then
+    echo "Error: Could not resolve Tailscale IP for $REMOTE_SERVER_NAME"
+    exit 1
+fi
+
+
+# SSH Key Mapping
+SSH_KEYS["$HOST1|$HOST2"]="/root/.ssh/Gmer4Lfe-rsync-key"
+SSH_KEYS["$HOST2|$HOST1"]="/root/.ssh/Jayred365-rsync-key"
+
+KEY_ID="$LOCAL_SERVER_NAME|$REMOTE_SERVER_NAME"
+if [[ -n "${SSH_KEYS[$KEY_ID]}" ]]; then
+    SSH_KEY="${SSH_KEYS[$KEY_ID]}"
+else
+    echo "Error: No SSH key defined for $LOCAL_SERVER_NAME → $REMOTE_SERVER_NAME"
+    exit 1
+fi
+echo "Using SSH key: $SSH_KEY"
 
 #-----------------------------------------------------------------------------------------------
 #----------------- User Variables --------------------------------------------------------------
 #-----------------------------------------------------------------------------------------------
 
-#-------------------- Rsync Defaults -----------------------
+#--------------------Rsync Script Defaults-----------------------
+# Network speed limit (KB/s)
 BW_LIMIT=12500
+# Retry logic
 RETRY_COUNT=3
+# Sleep between retries (seconds)
 SLEEP=300
+# Max number of concurrently running rsync processes
 MAX_RSYNC_PROCS=1
+# Container start/stop/restart before and after rsync
 CRITICAL_CONTAINER_NAMES=("")
+# Containers that need delayed before starting
 DELAYED_CONTAINERS=("")
+# Delay in seconds between starting containers, useful for things like Authelia
 CONTAINER_DELAY=5
+# Not include logs during transfer
 EXCLUDE_DIRS=("")
 
-#-------------------- Essential Scripts ------------------
+#-------------------- unRAID essentail scripts ------------------
+# unRAID reboot script user warning time (seconds)
 REBOOT_SLEEP=300
+# unRAID mover stop script timeout (seconds)
 MOVER_STOP_TIMEOUT=300
+# docker_syslog_filter.sh filter file path
 FILTER_FILE="/etc/rsyslog.d/ignore-docker-veth.conf"
+# php_fpm_max_children.sh php-fpm config file path
 PHP_CONF="/etc/php-fpm.d/www.conf"
+# php_fpm_max_children.sh max children value
 PHP_MAX_CHILDREN=250
 
 #----------------------------------------------------------------------------------------------
 #----------------------------------- Profile System -------------------------------------------
 #----------------------------------------------------------------------------------------------
-
+# Profiles are mainly used for rsync operations, but can be used for any variable that needs
+# to be different based on the source or destination.
+#
+# Profiles are inferred from the directory basename (lowercased)
+# Max rsync processes per profile
 declare -A PROFILE_MAX_PROCS
 PROFILE_MAX_PROCS["arrs_stack"]=2
 PROFILE_MAX_PROCS["critical-data"]=2
 PROFILE_MAX_PROCS["gmer4lfe"]=1
 PROFILE_MAX_PROCS["important-data"]=2
 PROFILE_MAX_PROCS["emby"]=1
-
+# Bandwidth limits per profile (KB/s, 0 = unlimited)
 declare -A PROFILE_BW_LIMIT
 PROFILE_BW_LIMIT["arrs_stack"]=5000
 PROFILE_BW_LIMIT["critical-data"]=9500
 PROFILE_BW_LIMIT["gmer4lfe"]=8000
 PROFILE_BW_LIMIT["important-data"]=9500
 PROFILE_BW_LIMIT["emby"]=8000
-
+# Retry logic per profile
 declare -A PROFILE_RETRY_COUNT
 PROFILE_RETRY_COUNT["arrs_stack"]=3
 PROFILE_RETRY_COUNT["critical-data"]=3
 PROFILE_RETRY_COUNT["gmer4lfe"]=3
 PROFILE_RETRY_COUNT["important-data"]=3
 PROFILE_RETRY_COUNT["emby"]=3
-
+# Sleep between retries per profile (seconds)
 declare -A PROFILE_SLEEP
 PROFILE_SLEEP["arrs_stack"]=300
 PROFILE_SLEEP["critical-data"]=300
 PROFILE_SLEEP["gmer4lfe"]=300
 PROFILE_SLEEP["important-data"]=300
 PROFILE_SLEEP["emby"]=300
-
+# Containers to stop/start per profile (space-separated strings)
 declare -A PROFILE_CRITICAL_CONTAINER_NAMES
 PROFILE_CRITICAL_CONTAINER_NAMES["arrs_stack"]="Sonarr Lidarr Readarr Radarr Prowlarr Bazarr Pinchflat"
 PROFILE_CRITICAL_CONTAINER_NAMES["critical-data"]="Mariadb-Authelia Redis-Authelia Lldap-Gmer4Lfe NginxProxyManager Authelia"
 PROFILE_CRITICAL_CONTAINER_NAMES["gmer4lfe"]="Organizrv2-Gmer4Lfe UptimeKuma-Gmer4Lfe VaultWarden-Gmer4Lfe"
 PROFILE_CRITICAL_CONTAINER_NAMES["important-data"]="Postgres-NextCloud NextCloud"
 PROFILE_CRITICAL_CONTAINER_NAMES["emby"]=""
-
+# Delayed containers per profile (space-separated strings)
 declare -A PROFILE_DELAYED_CONTAINERS
 PROFILE_DELAYED_CONTAINERS["arrs_stack"]=""
 PROFILE_DELAYED_CONTAINERS["critical-data"]="Authelia"
 PROFILE_DELAYED_CONTAINERS["gmer4lfe"]=""
 PROFILE_DELAYED_CONTAINERS["important-data"]="NextCloud"
 PROFILE_DELAYED_CONTAINERS["emby"]=""
-
+# Delay in seconds before starting delayed containers per profile (seconds)
 declare -A PROFILE_CONTAINER_DELAY
 PROFILE_CONTAINER_DELAY["arrs_stack"]=5
 PROFILE_CONTAINER_DELAY["critical-data"]=10
 PROFILE_CONTAINER_DELAY["gmer4lfe"]=5
 PROFILE_CONTAINER_DELAY["important-data"]=10
 PROFILE_CONTAINER_DELAY["emby"]=5
-
+# Not include logs or other file types during transfer per profile
 declare -A PROFILE_EXCLUDE_DIRS
 PROFILE_EXCLUDE_DIRS["arrs_stack"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["critical-data"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["gmer4lfe"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["important-data"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["emby"]="logs *.tmp"
-
 #-----------------------------------------------------------------------------------------------
-#----------------------------- End of Master.conf ----------------------------------------------
+#---------------End Of User Variables, Please adjust here in Master.conf as needed -------------
 #-----------------------------------------------------------------------------------------------
\ No newline at end of file
diff --git a/Rsync/rsync.sh b/Rsync/rsync.sh
index fa96f7e..5594735 100644
--- a/Rsync/rsync.sh
+++ b/Rsync/rsync.sh
@@ -25,29 +25,25 @@ set -e
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "$SCRIPT_DIR/../common.sh"
 
-# Load config
+# Load central config
 load_master_conf
 
-# 🔥 Handle directory FIRST
+# Input Arguments
 DIRECTORY="$1"
 if [[ -z "$DIRECTORY" ]]; then
-    echo "Usage: $0 <directory-to-sync> [--dry-run] [VAR=value ...]"
+    echo "Usage: $0 <directory-to-sync> [--dry-run|-n] [VAR=value ...]"
     exit 1
 fi
+shift  # remove DIRECTORY
 
-shift 1
-
-# Parse args AFTER shifting
+# Parse CLI args (flags + VAR=value)
 parse_args "$@"
 
-# Detect hosts AFTER config + args
-detect_hosts
-
 # Determine profile
 PROFILE_NAME=$(basename "$DIRECTORY" | tr '[:upper:]' '[:lower:]')
 echo "Detected profile: $PROFILE_NAME"
 
-# Apply profile defaults
+# Apply profile defaults or fallback to Master.conf
 MAX_RSYNC_PROCS=${PROFILE_MAX_PROCS[$PROFILE_NAME]:-$MAX_RSYNC_PROCS}
 BW_LIMIT=${PROFILE_BW_LIMIT[$PROFILE_NAME]:-$BW_LIMIT}
 CRITICAL_CONTAINER_NAMES=(${PROFILE_CRITICAL_CONTAINER_NAMES[$PROFILE_NAME]})
@@ -57,16 +53,27 @@ RETRY_COUNT=${PROFILE_RETRY_COUNT[$PROFILE_NAME]:-$RETRY_COUNT}
 SLEEP=${PROFILE_SLEEP[$PROFILE_NAME]:-$SLEEP}
 EXCLUDE_DIRS=(${PROFILE_EXCLUDE_DIRS[$PROFILE_NAME]:-${EXCLUDE_DIRS[@]}})
 
+# Validate numeric variables
+validate_int MAX_RSYNC_PROCS "$MAX_RSYNC_PROCS"
+validate_int BW_LIMIT "$BW_LIMIT"
+validate_int CONTAINER_DELAY "$CONTAINER_DELAY"
+validate_int RETRY_COUNT "$RETRY_COUNT"
+validate_int SLEEP "$SLEEP"
+
 echo "Settings: MAX_RSYNC_PROCS=$MAX_RSYNC_PROCS, BW_LIMIT=$BW_LIMIT, CONTAINERS=${CRITICAL_CONTAINER_NAMES[*]}, EXCLUDES=${EXCLUDE_DIRS[*]}"
 
-#============================================================
-# Helper Functions
-#============================================================
+# Dependency check
+for cmd in rsync ssh ping timeout docker tailscale; do
+    command -v "$cmd" >/dev/null 2>&1 || { echo "Error: Required command '$cmd' is not installed."; exit 1; }
+done
 
+trap 'echo "Script interrupted. Exiting."; exit 130' INT TERM
+
+# Helper functions
 wait_for_rsync() {
     for attempt in $(seq 1 "$RETRY_COUNT"); do
         RSYNC_COUNT=$(pgrep -fc "rsync.*root@${REMOTE_SERVER}" || true)
-        if [[ "$RSYNC_COUNT" -ge "$MAX_RSYNC_PROCS" ]]; then
+        if [ "$RSYNC_COUNT" -ge "$MAX_RSYNC_PROCS" ]; then
             echo "[$LOCAL_SERVER_NAME] Waiting... ($RSYNC_COUNT active rsync processes)"
             sleep "$SLEEP"
         else
@@ -81,39 +88,42 @@ check_server_online() {
     timeout 5 ping -c 1 "$REMOTE_SERVER" &>/dev/null
 }
 
+declare -a RUNNING_CONTAINERS=()
+
 stop_containers() {
     echo "[$LOCAL_SERVER_NAME] Checking containers on ${REMOTE_SERVER_NAME}..."
     RUNNING_CONTAINERS=()
-
     for container in "${CRITICAL_CONTAINER_NAMES[@]}"; do
         STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
             "docker inspect -f '{{.State.Running}}' $container 2>/dev/null" || echo "false")
-
-        if [[ "$STATUS" == "true" ]]; then
+        if [ "$STATUS" == "true" ]; then
             echo "Stopping $container"
             RUNNING_CONTAINERS+=("$container")
-            [[ "$DRY_RUN" = true ]] || ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker stop $container"
+            if [ "$DRY_RUN" = true ]; then
+                echo "[DRY-RUN] Would stop container $container"
+            else
+                ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker stop $container"
+            fi
         fi
     done
 }
 
 start_containers() {
     echo "[$LOCAL_SERVER_NAME] Restarting containers on ${REMOTE_SERVER_NAME}..."
-
     for container in "${RUNNING_CONTAINERS[@]}"; do
         if [[ " ${DELAYED_CONTAINERS[*]} " == *" $container "* ]]; then
             echo "Delaying start of $container by ${CONTAINER_DELAY}s..."
-            sleep "$CONTAINER_DELAY"
+            [ "$DRY_RUN" = false ] && sleep "$CONTAINER_DELAY"
+        fi
+        if [ "$DRY_RUN" = true ]; then
+            echo "[DRY-RUN] Would start container $container"
+        else
+            ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
         fi
-
-        [[ "$DRY_RUN" = true ]] || ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" "docker start $container"
     done
 }
 
-#============================================================
-# Main Logic
-#============================================================
-
+# Main sync logic
 main() {
     echo "[$LOCAL_SERVER_NAME] Syncing $DIRECTORY → $REMOTE_SERVER:$DIRECTORY"
 
@@ -138,15 +148,15 @@ main() {
         --no-whole-file
     )
 
+    # Apply multiple exclude patterns
     for pattern in "${EXCLUDE_DIRS[@]}"; do
         RSYNC_OPTS+=(--exclude="$pattern")
     done
 
-    [[ "$DRY_RUN" = true ]] && RSYNC_OPTS+=(--dry-run)
+    [ "$DRY_RUN" = true ] && RSYNC_OPTS+=("--dry-run")
 
     for attempt in $(seq 1 "$RETRY_COUNT"); do
         echo "Starting rsync attempt $attempt/$RETRY_COUNT..."
-
         if rsync "${RSYNC_OPTS[@]}" \
             -e "ssh -i \"$SSH_KEY\" -T -o Compression=no -o IPQoS=throughput" \
             "$DIRECTORY" "root@${REMOTE_SERVER}:$DIRECTORY"; then
@@ -154,8 +164,7 @@ main() {
             break
         else
             echo "Rsync attempt $attempt failed."
-
-            if [[ "$attempt" -lt "$RETRY_COUNT" ]]; then
+            if [ "$attempt" -lt "$RETRY_COUNT" ]; then
                 echo "Retrying in $SLEEP seconds..."
                 sleep "$SLEEP"
             else
@@ -170,4 +179,5 @@ main() {
     echo "[$LOCAL_SERVER_NAME] Sync complete."
 }
 
+# Execute
 main
\ No newline at end of file
diff --git a/common.sh b/common.sh
index 86a3361..6eac5d8 100644
--- a/common.sh
+++ b/common.sh
@@ -1,7 +1,20 @@
 #!/bin/bash
 
 #-----------------------------------------------------------------------------------------------
-#--------------------- Common Shared Functions -------------------------------------------------
+# --------------------- Common Shared Functions for Unraid Scripts -----------------------------
+#-----------------------------------------------------------------------------------------------
+#----------------- User Variables, Please adjust in Master.conf as needed ----------------------
+#-----------------------------------------------------------------------------------------------
+# 
+# Nothing to adjust here, all user variables should be in Master.conf
+#
+# This is just a script that has all common functions and logic that are shared
+# between the different scripts. 
+#
+# This way we can avoid code duplication and have a single source 
+# of truth for all common functions and logic.
+#-----------------------------------------------------------------------------------------------
+#---------------End Of User Variables, Please adjust in Master.conf as needed ------------------
 #-----------------------------------------------------------------------------------------------
 
 # Load Master.conf
@@ -19,7 +32,7 @@ load_master_conf() {
     fi
 }
 
-# Parse CLI arguments
+# Parse CLI args
 parse_args() {
     DRY_RUN=${DRY_RUN:-false}
 
@@ -57,59 +70,11 @@ validate_int() {
     fi
 }
 
-# Require variable
+# Require variable to be set
 require_var() {
     local var="$1"
     if [[ -z "${!var:-}" ]]; then
         echo "Error: Required variable $var is not set."
         exit 1
     fi
-}
-
-# Detect hosts + SSH key + Tailscale IP
-detect_hosts() {
-    LOCAL_HOSTNAME="$(hostname)"
-
-    if [[ "$LOCAL_HOSTNAME" == "$HOST1" ]]; then
-        LOCAL_SERVER_NAME="$HOST1"
-        REMOTE_SERVER_NAME="$HOST2"
-    elif [[ "$LOCAL_HOSTNAME" == "$HOST2" ]]; then
-        LOCAL_SERVER_NAME="$HOST2"
-        REMOTE_SERVER_NAME="$HOST1"
-    else
-        echo "Error: Local hostname ($LOCAL_HOSTNAME) not recognized."
-        exit 1
-    fi
-
-    echo "Local server: $LOCAL_SERVER_NAME"
-    echo "Remote server: $REMOTE_SERVER_NAME"
-
-    # Resolve Tailscale IP
-    REMOTE_SERVER=$(tailscale ip -4 "$REMOTE_SERVER_NAME" 2>/dev/null)
-
-    if [[ -z "$REMOTE_SERVER" ]]; then
-        echo "Error: Could not resolve Tailscale IP for $REMOTE_SERVER_NAME"
-        exit 1
-    fi
-
-    # Validate SSH_KEYS
-    if [[ "$(declare -p SSH_KEYS 2>/dev/null)" != declare\ -A* ]]; then
-        echo "Error: SSH_KEYS is not a valid associative array."
-        exit 1
-    fi
-
-    KEY_ID="$LOCAL_SERVER_NAME|$REMOTE_SERVER_NAME"
-
-    # Debug (safe to keep)
-    echo "DEBUG: KEY_ID=$KEY_ID"
-    echo "DEBUG: Available keys: ${!SSH_KEYS[@]}"
-
-    if [[ -n "${SSH_KEYS[$KEY_ID]}" ]]; then
-        SSH_KEY="${SSH_KEYS[$KEY_ID]}"
-    else
-        echo "Error: No SSH key defined for $LOCAL_SERVER_NAME → $REMOTE_SERVER_NAME"
-        exit 1
-    fi
-
-    echo "Using SSH key: $SSH_KEY"
 }
\ No newline at end of file