The benefit to primals solution if you can get it working is that you can buy more credits (bitcoin) via the app directly from your bank account.

I do have something set up with minibits, but I'm not sure if that's where I'll land just yet. I'm trying to do the research to figure out the best non-custodial wallet to get right now, but the info on this topic just doesn't seem to be as readily available as most things so it's a slow process for me.