Do you give a down payment to a Contractor before he does work? 
I'm having a hard time finding contractors that would do work without a down payment. 
I feel like even with a contract, a contractor could just walk ...

I've been reading for a few months now on biggerpockets and feel like the beginner posts are starting to be not informative.  Lots of people replying with consider my location here or my location is best I can help yo...