Donald Trump sure has a strange approach to making housing more “affordable”. He apparently wants lower costs for buyers and higher prices for owners and sellers!
“I don’t want to drive housing prices down. I want to drive housing prices up for people who own their homes.”
Number of Hours An Average Workers Needs To Purchase A Median Price Home

Actually, the relentlessly rising line in the graph above tells you all you need to know about the “affordability” issue. To wit, everywhere and always central bank money-printing causes asset prices to rise far faster than incomes, thereby inexorably shifting nominal societal wealth to asset holders and especially highly leveraged speculators.