Since Autodesk offers rental options I don't see a problem here. Just rent the software until the end of a project. I mean it's only 195$ per month and you'll make much more than that.
Calculating for me: Flat fees: $1000 - Zbrush Edu to Commercial updrade, 3Dcoat commercial, and Quixel Suite $85 for Marmoset Toolbag 2 upgrade $50 for Substance Designer ($590 if they somehow find out I make more than $10,000 a year. How that happens, I do not know.) Recurring: $195 recurring because of Maya. Oof. There…