ya...ask a lending company...see what they charge to refinance ...fees can be expensive..are you really saving anything by the time they tac it on the end of your loan?
Use bankrate.com to find lenders in your area, with differing rates and points.
Fanniw Mae or Freddie Mac reo properties are offered with as little as 3% down, no mortgage insurance or appraisal required. These are not the most attractive properties but nothing is free.