Frequently Asked Questions About Investment Properties Question: If I’m the landlord, doesn’t that mean I’d be responsible to repair broken things on the house? Answer: Yes in many cases. Setting up the leases carefully can alleviate some of these challenges. But most investors I work with allot 10% of the rent for these expenses. FNMA defaults to 25% of the rents for expenses. If you’re collecting $2000/mo in rents, you’d have $500/mo for repairs, vacancies and all the other