Answer:
b. When the rent money coming in is more than the monthly mortgage, taxes, and maintenance, rental real estate is profitable.
Step-by-step explanation:
Buying a house and renting it out is a profitable venture if the rent you receive allows you to cover all the costs the house might generate like taxes or homeowners association fees and you still have an amount left after all the expenses are deducted. According to this, the answer is: when the rent money coming in is more than the monthly mortgage, taxes, and maintenance, rental real estate is profitable.