You go after their bank account, which is a slightly different procedure.

The main headache is finding their bank account. The best way to do this is to find someone they pay and seeing what source account was used.

No. You can actually request those details from them. But that's a very lengthy process.

We got to the point that the other party just didn't show up, and the judge just set a new date multiple times...

The judge could've gone for a bench warrant, where a sheriff picks up the person the day before to make sure they're present... But that also didn't happen.

If there's no physical store, just cross your fingers they pay the judgement