[mcguire]

"If anything, you might expect the price of the cheapest staples and crappiest housing to go down as UBI enables the poor to upgrade their food and housing."

You do realize that is self-contradictory, right? More people buying X means the price of X goes up, not down. (Modulo a bunch of factors that probably don't apply to housing and staples.)

[dragonwriter]

People who are too poor to afford popular current housing also having more stable income reducing the risk of renting to them might well make serving that market with units that are less expensive than the minimum on the market profitable, reducing the floor price in private housing markets.