diff --git a/Master.conf b/Master.conf
index 888c091..bd310d4 100644
--- a/Master.conf
+++ b/Master.conf
@@ -21,7 +21,6 @@
 HOST1="unRAID-Gmer4Lfe"
 HOST2="unRAID-Jayred365"
 
-
 #-----------------------------------------------------------------------------------------------
 #----------------- User Variables --------------------------------------------------------------
 #-----------------------------------------------------------------------------------------------
@@ -36,13 +35,13 @@ SLEEP=300
 # Max number of concurrently running rsync processes
 MAX_RSYNC_PROCS=1
 # Container start/stop/restart before and after rsync
-CRITICAL_CONTAINER_NAMES=("")
+CRITICAL_CONTAINER_NAMES=()
 # Containers that need delayed before starting
-DELAYED_CONTAINERS=("")
+DELAYED_CONTAINERS=()
 # Delay in seconds between starting containers, useful for things like Authelia
 CONTAINER_DELAY=5
 # Not include logs during transfer
-EXCLUDE_DIRS=("")
+EXCLUDE_DIRS=()
 
 #-------------------- unRAID essentail scripts ------------------
 # unRAID reboot script user warning time (seconds)
@@ -114,7 +113,7 @@ 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["arrs_stack"]="logs"
 PROFILE_EXCLUDE_DIRS["critical-data"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["gmer4lfe"]="logs *.tmp"
 PROFILE_EXCLUDE_DIRS["important-data"]="logs *.tmp"
diff --git a/Rsync/rsync.sh b/Rsync/rsync.sh
index 5594735..dcb49e8 100644
--- a/Rsync/rsync.sh
+++ b/Rsync/rsync.sh
@@ -4,54 +4,53 @@ set -e
 #-----------------------------------------------------------------------------------------------
 # --------------------------- Core Rsync Script for Unraid -------------------------------------
 #-----------------------------------------------------------------------------------------------
-#----------------- User Variables, Please adjust in Master.conf as needed ----------------------
-#-----------------------------------------------------------------------------------------------
-#
-# User variables can be adjusted in Master.conf
-#
-# Scripts now just contain runtime logic
-#
-# This new setup allows for profiles and arguments to use the core script
-# Use arguments in unRAID User Plugin for directory
-# Example: /mnt/user/appdata/unraid_scripts/Rsync/rsync.sh /mnt/user/appdata-test/Arrs/
-#
-# /mnt/user/appdata-test/Arrs/ is the argument
-# If the last name /Arrs/ matches a profile in Master.conf, then profile defaults are used
-# Otherwise, global configuration in Master.conf is used
-#-----------------------------------------------------------------------------------------------
-#---------------End Of User Variables, Please adjust in Master.conf as needed ------------------
-#-----------------------------------------------------------------------------------------------
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 source "$SCRIPT_DIR/../common.sh"
 
-# Load central config
+# Load config FIRST
 load_master_conf
 
-# Input Arguments
+#----------------------------------------------------------
+# Input Arguments (MUST come before parse_args)
+#----------------------------------------------------------
 DIRECTORY="$1"
 if [[ -z "$DIRECTORY" ]]; then
     echo "Usage: $0 <directory-to-sync> [--dry-run|-n] [VAR=value ...]"
     exit 1
 fi
-shift  # remove DIRECTORY
+shift
 
-# Parse CLI args (flags + VAR=value)
+#----------------------------------------------------------
+# Parse CLI args AFTER shifting directory
+#----------------------------------------------------------
 parse_args "$@"
 
+#----------------------------------------------------------
+# At this point, common.sh has already:
+# - LOCAL_SERVER_NAME
+# - REMOTE_SERVER_NAME
+# - REMOTE_SERVER
+# - SSH_KEY
+#----------------------------------------------------------
+
 # Determine profile
 PROFILE_NAME=$(basename "$DIRECTORY" | tr '[:upper:]' '[:lower:]')
 echo "Detected profile: $PROFILE_NAME"
 
-# Apply profile defaults or fallback to Master.conf
+# Apply profile defaults (safe fallbacks)
 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]})
-DELAYED_CONTAINERS=(${PROFILE_DELAYED_CONTAINERS[$PROFILE_NAME]})
+
+# Convert string → array safely
+IFS=' ' read -r -a CRITICAL_CONTAINER_NAMES <<< "${PROFILE_CRITICAL_CONTAINER_NAMES[$PROFILE_NAME]}"
+IFS=' ' read -r -a DELAYED_CONTAINERS <<< "${PROFILE_DELAYED_CONTAINERS[$PROFILE_NAME]}"
+
 CONTAINER_DELAY=${PROFILE_CONTAINER_DELAY[$PROFILE_NAME]:-$CONTAINER_DELAY}
 RETRY_COUNT=${PROFILE_RETRY_COUNT[$PROFILE_NAME]:-$RETRY_COUNT}
 SLEEP=${PROFILE_SLEEP[$PROFILE_NAME]:-$SLEEP}
-EXCLUDE_DIRS=(${PROFILE_EXCLUDE_DIRS[$PROFILE_NAME]:-${EXCLUDE_DIRS[@]}})
+
+IFS=' ' read -r -a EXCLUDE_DIRS <<< "${PROFILE_EXCLUDE_DIRS[$PROFILE_NAME]:-${EXCLUDE_DIRS[*]}}"
 
 # Validate numeric variables
 validate_int MAX_RSYNC_PROCS "$MAX_RSYNC_PROCS"
@@ -60,19 +59,30 @@ validate_int CONTAINER_DELAY "$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[*]}"
+echo "Settings:"
+echo "  MAX_RSYNC_PROCS=$MAX_RSYNC_PROCS"
+echo "  BW_LIMIT=$BW_LIMIT"
+echo "  CONTAINERS=${CRITICAL_CONTAINER_NAMES[*]}"
+echo "  EXCLUDES=${EXCLUDE_DIRS[*]}"
 
 # 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; }
+    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
+#----------------------------------------------------------
+# 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
             echo "[$LOCAL_SERVER_NAME] Waiting... ($RSYNC_COUNT active rsync processes)"
             sleep "$SLEEP"
@@ -80,6 +90,7 @@ wait_for_rsync() {
             return 0
         fi
     done
+
     echo "Too many rsync processes, exiting."
     exit 1
 }
@@ -93,12 +104,17 @@ declare -a RUNNING_CONTAINERS=()
 stop_containers() {
     echo "[$LOCAL_SERVER_NAME] Checking containers on ${REMOTE_SERVER_NAME}..."
     RUNNING_CONTAINERS=()
+
     for container in "${CRITICAL_CONTAINER_NAMES[@]}"; do
+        [ -z "$container" ] && continue
+
         STATUS=$(ssh -i "$SSH_KEY" root@"$REMOTE_SERVER" \
             "docker inspect -f '{{.State.Running}}' $container 2>/dev/null" || echo "false")
+
         if [ "$STATUS" == "true" ]; then
             echo "Stopping $container"
             RUNNING_CONTAINERS+=("$container")
+
             if [ "$DRY_RUN" = true ]; then
                 echo "[DRY-RUN] Would stop container $container"
             else
@@ -110,11 +126,13 @@ stop_containers() {
 
 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 ${CONTAINER_DELAY}s..."
             [ "$DRY_RUN" = false ] && sleep "$CONTAINER_DELAY"
         fi
+
         if [ "$DRY_RUN" = true ]; then
             echo "[DRY-RUN] Would start container $container"
         else
@@ -123,7 +141,10 @@ start_containers() {
     done
 }
 
-# Main sync logic
+#----------------------------------------------------------
+# Main
+#----------------------------------------------------------
+
 main() {
     echo "[$LOCAL_SERVER_NAME] Syncing $DIRECTORY → $REMOTE_SERVER:$DIRECTORY"
 
@@ -133,7 +154,10 @@ main() {
         sleep "$SLEEP"
     done
 
-    check_server_online || { echo "Remote $REMOTE_SERVER_NAME unreachable. Exiting."; exit 1; }
+    check_server_online || {
+        echo "Remote $REMOTE_SERVER_NAME unreachable. Exiting."
+        exit 1
+    }
 
     wait_for_rsync
     stop_containers
@@ -148,22 +172,25 @@ main() {
         --no-whole-file
     )
 
-    # Apply multiple exclude patterns
     for pattern in "${EXCLUDE_DIRS[@]}"; do
-        RSYNC_OPTS+=(--exclude="$pattern")
+        [ -n "$pattern" ] && RSYNC_OPTS+=(--exclude="$pattern")
     done
 
     [ "$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
+
             echo "Rsync completed successfully."
             break
+
         else
             echo "Rsync attempt $attempt failed."
+
             if [ "$attempt" -lt "$RETRY_COUNT" ]; then
                 echo "Retrying in $SLEEP seconds..."
                 sleep "$SLEEP"
@@ -179,5 +206,4 @@ main() {
     echo "[$LOCAL_SERVER_NAME] Sync complete."
 }
 
-# Execute
 main
\ No newline at end of file
diff --git a/common.sh b/common.sh
index 3cda593..681e4f1 100644
--- a/common.sh
+++ b/common.sh
@@ -3,21 +3,14 @@
 #-----------------------------------------------------------------------------------------------
 # --------------------- 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 ------------------
+# This file contains ONLY reusable logic.
+# No code should execute on load — only functions.
+# All user configuration lives in Master.conf
 #-----------------------------------------------------------------------------------------------
 
+#-----------------------------------------------------------------------------------------------
 # Load Master.conf
+#-----------------------------------------------------------------------------------------------
 load_master_conf() {
     local script_dir
     script_dir="$(cd "$(dirname "${BASH_SOURCE[1]}")" && pwd)"
@@ -32,7 +25,9 @@ load_master_conf() {
     fi
 }
 
-# Parse CLI args
+#-----------------------------------------------------------------------------------------------
+# Parse CLI args (flags + VAR=value overrides)
+#-----------------------------------------------------------------------------------------------
 parse_args() {
     DRY_RUN=${DRY_RUN:-false}
 
@@ -49,74 +44,92 @@ parse_args() {
             fi
         else
             case "$ARG" in
-                --dry-run|-n) DRY_RUN=true ;;
+                --dry-run|-n)
+                    DRY_RUN=true
+                    ;;
                 --help|-h)
                     echo "Usage: script [--dry-run|-n] [VAR=value ...]"
-                    exit 0 ;;
+                    exit 0
+                    ;;
                 *)
-                    echo "Warning: Unknown argument $ARG" ;;
+                    echo "Warning: Unknown argument $ARG"
+                    ;;
             esac
         fi
     done
 }
 
-# Validate integer
+#-----------------------------------------------------------------------------------------------
+# Validate integer (non-negative)
+#-----------------------------------------------------------------------------------------------
 validate_int() {
     local name="$1"
     local value="$2"
+
     if ! [[ "${value:-}" =~ ^[0-9]+$ ]]; then
         echo "Error: $name must be a non-negative integer."
         exit 1
     fi
 }
 
+#-----------------------------------------------------------------------------------------------
 # 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 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: $REMOTE_SERVER_NAME"
-
 #-----------------------------------------------------------------------------------------------
-#--------------------------- Remote Server Ip Resolution ----------------------------------------
+# Detect hosts + networking + SSH key
 #-----------------------------------------------------------------------------------------------
-# Resolve Tailscale IP dynamically
-REMOTE_SERVER=$(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
+detect_hosts() {
+    # Ensure required config exists
+    require_var HOST1
+    require_var HOST2
 
-#-----------------------------------------------------------------------------------------------
-#----------------------------- SSH Key Mapping --------------------------------------------------
-#-----------------------------------------------------------------------------------------------
+    # Detect local hostname
+    LOCAL_HOSTNAME="$(hostname)"
 
-declare -A SSH_KEYS
-SSH_KEYS["$HOST1|$HOST2"]="/root/.ssh/Gmer4Lfe-rsync-key"
-SSH_KEYS["$HOST2|$HOST1"]="/root/.ssh/Jayred365-rsync-key"
+    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
 
-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"
\ No newline at end of file
+    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 $REMOTE_SERVER_NAME"
+        exit 1
+    fi
+
+    # SSH Key Mapping (kept here for stability)
+    declare -A SSH_KEYS
+    SSH_KEYS["$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"
+}
\ No newline at end of file