diff --git a/Rsync/rsync.sh b/Rsync/rsync.sh
index 74a161c..a10a2a5 100644
--- a/Rsync/rsync.sh
+++ b/Rsync/rsync.sh
@@ -10,28 +10,23 @@ source "$SCRIPT_DIR/../common.sh"
 # Load config
 load_master_conf
 
-# Parse arguments, etc...
+# Detect hosts and SSH key
+detect_hosts
 
-#-----------------------------------------------------------------------------------------------
-# --------------------------- Input Arguments --------------------------------------------------
-#-----------------------------------------------------------------------------------------------
+# Input arguments
 DIRECTORY="$1"
 if [[ -z "$DIRECTORY" ]]; then
     echo "Usage: $0 <directory-to-sync> [--dry-run|-n] [VAR=value ...]"
     exit 1
 fi
-shift  # remove DIRECTORY
-
-# Parse CLI args
+shift
 parse_args "$@"
 
-#-----------------------------------------------------------------------------------------------
-# --------------------------- Profile Detection -------------------------------------------------
-#-----------------------------------------------------------------------------------------------
+# Determine profile
 PROFILE_NAME=$(basename "$DIRECTORY" | tr '[:upper:]' '[:lower:]')
 echo "Detected profile: $PROFILE_NAME"
 
-# Apply profile defaults or fallback to global defaults
+# Apply profile settings
 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]})
diff --git a/common.sh b/common.sh
index e6e9b9d..90a3543 100644
--- a/common.sh
+++ b/common.sh
@@ -11,14 +11,21 @@
 #-----------------------------------------------------------------------------------------------
 # Load Master.conf
 #-----------------------------------------------------------------------------------------------
-# Load Master.conf
+#-----------------------------------------------------------------------------------------------
+# Load Master.conf reliably
+#-----------------------------------------------------------------------------------------------
 load_master_conf() {
-    # Resolve the folder of the calling script (rsync.sh)
+    # Determine the directory of THIS file (common.sh)
     local script_dir
     script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-    # Master.conf is one level up from Rsync/
-    local master_conf="$script_dir/../Master.conf"
+    # Master.conf is assumed to be in the parent directory of unRAID scripts root
+    # i.e., one level up from where common.sh lives
+    local master_conf="$script_dir/Master.conf"
+    if [ ! -f "$master_conf" ]; then
+        # fallback for Rsync/rsync.sh calling common.sh
+        master_conf="$script_dir/../Master.conf"
+    fi
 
     if [ -f "$master_conf" ]; then
         source "$master_conf"
@@ -29,9 +36,12 @@ load_master_conf() {
     fi
 }
 
-# Parse CLI arguments
+#-----------------------------------------------------------------------------------------------
+# Parse CLI args
+#-----------------------------------------------------------------------------------------------
 parse_args() {
     DRY_RUN=${DRY_RUN:-false}
+
     for ARG in "$@"; do
         if [[ "$ARG" == *=* ]]; then
             local VAR_NAME="${ARG%%=*}"
@@ -40,19 +50,24 @@ parse_args() {
                 printf -v "$VAR_NAME" '%s' "$VAR_VALUE"
                 echo "Overriding $VAR_NAME -> $VAR_VALUE"
             else
-                echo "Warning: Unknown variable $VAR_NAME"
+                echo "Warning: Unknown variable $VAR_NAME, ignoring."
             fi
         else
             case "$ARG" in
                 --dry-run|-n) DRY_RUN=true ;;
-                --help|-h) echo "Usage: script [--dry-run|-n] [VAR=value ...]"; exit 0 ;;
-                *) echo "Warning: Unknown argument $ARG" ;;
+                --help|-h)
+                    echo "Usage: script [--dry-run|-n] [VAR=value ...]"
+                    exit 0 ;;
+                *)
+                    echo "Warning: Unknown argument $ARG" ;;
             esac
         fi
     done
 }
 
+#-----------------------------------------------------------------------------------------------
 # Validate integer
+#-----------------------------------------------------------------------------------------------
 validate_int() {
     local name="$1"
     local value="$2"
@@ -62,7 +77,9 @@ validate_int() {
     fi
 }
 
+#-----------------------------------------------------------------------------------------------
 # Require variable
+#-----------------------------------------------------------------------------------------------
 require_var() {
     local var="$1"
     if [[ -z "${!var:-}" ]]; then
@@ -71,8 +88,10 @@ require_var() {
     fi
 }
 
-# Detect local hostname and set remote
-detect_remote() {
+#-----------------------------------------------------------------------------------------------
+# Detect local/remote hosts and resolve Tailscale IPs
+#-----------------------------------------------------------------------------------------------
+detect_hosts() {
     LOCAL_HOSTNAME="$(hostname)"
     if [[ "$LOCAL_HOSTNAME" == "$HOST1" ]]; then
         LOCAL_SERVER_NAME="$HOST1"
@@ -87,6 +106,7 @@ detect_remote() {
     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"
@@ -94,6 +114,7 @@ detect_remote() {
     fi
     echo "Resolved $REMOTE_SERVER_NAME → $REMOTE_SERVER"
 
+    # SSH key lookup
     KEY_ID="$LOCAL_SERVER_NAME|$REMOTE_SERVER_NAME"
     if [[ -n "${SSH_KEYS[$KEY_ID]}" ]]; then
         SSH_KEY="${SSH_KEYS[$KEY_ID]}"