Across the country, land-use officials are grappling with chronic housing shortages the result of longstanding legal and policy failures, including archaic zoning rules and ongoing labor and supply shortages. From Seattle to Key West, to Calabasas, there simply is not enough housing for the American people. Among the many potential solutions pro-housing advocates have proposed are so-called “build-to-rent” (BTR) developments indistinguishable from traditional single-family tracts, except that their occupants are tenants instead of owners. That’s it.