find your listing on this website:http://www.mcbreo.com/st_ohmain.htm
First, check to see if the listing is insured, uninsured, or insured with escrow. Insured means it will qualify for fha financing, uninsured it will not, insured with escrow means fha 203K with repair escrow loan only. Hud will not pay any part of downpayment.
Allowable closing costs, up to 5% of the purchase price are these things only:
http://www.pyramidrealestate.com/docs/Closing_Cost_H_2005-12h.pdf