Are their monthly wash plans? Cost and upfront fees?

Yes

Yes. Not sure about cost, best to call for prices.

Yes. They begin at $20, pre-paid and renews at the begining of each month.

You can pay per wash or choose between 3 or 4 monthly plans. No admin fees, just the first month of whichever plan you choose.

Its a flat price whatever option u go with plus tac