I don't know what facilities are at your house/apartment, but if you have a shed, I'd use it instead of renting. If you're out of town (No zoning covenants), make something into your office right there:
This man made one out of the back of a box truck. The boxes can be had for $1000-2000. Throw some space heaters in, and it would be a start.
If that fails, storage units make good workshops. And they're cheap too.
I'd test the waters this way. If all goes well, then go big!
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