Well, no driving license is definitely a problem. That could be why you're in a financially sticky spot. I don't earn much. I'm a USA school bus driver.
As far as parking and insurance are concerned, rent a lockup garage, go live in your bus while you convert it as many others have done. Realistically, you don't need much to start with. I know plenty that sleep on the floor. You can use cloth for privacy and partitions or even newspaper over the windows.
Off the road, in a lockup, no need for tax, insurance nor a license.
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