My extension [1] brings in $300-400 a month and I don't want to lose that.
[0] https://developer.chrome.com/webstore/cws-payments-deprecation
[1] https://chrome.google.com/webstore/detail/shortkeys-custom-keyboard/logpjaacgmcbpdkdchjiaagddngobkck/
I'm using Paddle for my paid Chrome extension (https://www.checkbot.io/) but integration is more involved.
Paddle and Gumroad also tax care of all country specific tax + VAT for you, unlike say Stripe, which saves a ton of hassle and paperwork if you're in the EU anyway.