@n0madz This is a great, but tough, question to answer. I'll lean into what I think is the best general advice: take your time and enjoy the discovery process!
Dual boot for a while if there is any Windows-only software you haven't found an alternative for (or while you're learning the alternatives on Linux), or games you want to play that might not run on Linux. And don't let anyone give you grief for doing that :D
ProtonDB.com is a solid resource for game compatibility and tweaking tips.