$15/mo server rental, plus a few dollars to store backups on a separate service, object storage for media, email, and domain registration. Total $18.64
I have a home server that could easily handle it, but I wouldn’t want to put something so public on it.
Wine/Proton can run a huge amount of Windows programs.
Honestly though I’ve just been using Linux for 8 or so years now and just find some other solution. For general computing it really isn’t hard at all. Perhaps if you have some weird proprietary work software or absolutely need Adobe it could be an issue