> What would it take for you to start building homes? It’s an enormous risk, requires tons of upfront capital, specialized labor and supplies.

There's also no incentive to build affordable or well-constructed homes. Many builders will try to maximize profit by investing the bare minimum (i.e., cutting corners) and creating the largest number of dwellings possible. Mattamy Homes is infamous for developing large neighborhoods with pretty homes that practically fall apart in a matter of months if you look at them wrong.