The problem with this is that the low-income housing portion will be artificially lower than market prices forcing the landlord to increase the rent on the othe

The problem with this is that the low-income housing portion will be artificially lower than market prices forcing the landlord to increase the rent on the other units to make up for it. Once again as the OP mentioned, the middle class gets squeezed out since supposedly market prices do not actually exist to be taken advantage of.