>"they have only one source of income! they could lose it at any time!" these people are a much bigger risk than some landlord trying to get a mortgage for thei

>"they have only one source of income! they could lose it at any time!" these people are a much bigger risk than some landlord trying to get a mortgage for their nth rental property. Fairly certain source of income isn't the only variable. What about rainy day fund? Aren't individuals encouraged to have 3-6 months worth of expenses in cash for emergencies? Shouldn't the lender assure that this is the case before lending?