Pay advance apps

From my job I get paid through cash under the table and I do a little trading on the side that doesn't provide much maybe like $100 a month through crypto (there's no other option. So I withdraw through Coinbase or Cashapp than transfer to my bank account) I want to use those cash advance apps like Dave and Brigit. But when I try to do it they claim I don't have any income deposit which is fair because I don't get direct deposit and there's no way. Is there a website or way I can send cash somewhere or deposit Bitcoin and withdraw it back to myself through a "direct deposit" system so the app sees income. Just looking for advice on that. I already tried to convince my boss to do direct deposit so not needed advice surrounding that.