Testing vs Prod

I've been slowly moving along in this self-hosting journey and now have a number of services that I regularly use and depend on. Of course I'm backing things up, but I also still worry about screwing up my server and having to rollback/rebuild/fix whatever got messed up.

I'm just curious, for those of you with home labs, do you use a testing environment of some kind or do you just push whatever your working on straight to "production

• edit: grammar