Investors will be able to bid on Fannie Mae real estate-owned single-family homes intended for rent in the next few months but the Federal Housing Finance Agency warns not to expect fire sale prices from its pilot program.FHFA Senior Associate Director for Housing and Regulatory Policy Meg Burns testified last week before a congressional field hearing that the agency is completing its review of investor applications and is on target to complete its first pilot transaction in the next few months. The application process is comprehensive, rigorous and demanding, requiring exhaustive amounts of information and documentation from the applications and their business partners, said Burns.