Accepting Back-ups - Great opportunity for an investor... Property has a tenant of 4 years paying $700/mo & they would like to stay!! I have an approval letter from Fannie Mae in hand. Can close whenever your buyer is ready.Listing price may not be sufficient to pay the total of all liens and costs of sale and sale of property at full listing price may require approval of seller's lender and such approval may be conditioned upon the gross commission being reduced.