diff --git a/ReadMe.md b/ReadMe.md
index 2629333..c1822b9 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -6,6 +6,10 @@ backups of everything because my shit gets rocked so often. :D
 See [[Table-of-Services.md]] for what each of these does, as well as seeing what
 I've discarded because it sucks (or just isn't for me).
 
+Most of these are designed to be run behind a reverse proxy, and I use Cosmos
+for this. As a result, I often comment out `ports` declarations. Initial setup
+should probably be shielded by the reverse proxy login.
+
 ## Named bind mounts
 Managing volumes that need to be shared within a config is easier if you can use names with bind mounts:
 ```
@@ -17,3 +21,17 @@ volumes:
       o: bind
       device: /path/on/host
 ```
+
+Remember that directories must be created *before* starting containers.
+
+## Standard reminder notes
+I place these at the top of compose files for different changes that need to be made to use these files:
+- `# TODO set volume directories`: Named bind mount paths must be set (near top of file).
+- `# TODO change ALL_CAPS environment variables in all locations`: Environment variables for secrets (or settings) must be set.
+- `# TODO set user/group IDs`: Container(s) must have a user block (`user: "USER:GROUP"`) set to the correct **numerical** permissions.
+- `# TODO set timezone (TZ)`: A timezone environment variable (named `TZ`) must be set. (For me, `America/Denver`.)
+
+## ReadMes
+1. Note where I got the original compose file or documentation.
+2. Add instructions.
+3. End with notes about complications or issues I ran into.