As a listing agent we use those types of sales offer contingent as a back up offer
Lynn911 Dallas Realtor & Consultant, Loan Officer, Credit Repair Advisor
The Michael Group - Dallas Business Journal Top Ranked Realtors
A FHA contract in hand -is much better then a cash offer - when and if the other party sells their home.
Why don't you suggest the other "cash" party gets approved for a loan - so they have a fallback position.
You don't care where the cash comes from - as long as you are paid at settlement.
Serving Maryland, Virginia and DC