Is it possible to develop cheap SRO-style housing without needing it all to be clustered together? It's easier to convert a single building into a bunch of SRO units, but that's just a recipe for more community backlash and economic segregation.
Trad homeowners with solar, grid connection could offer cheap power to help recharge faster.
This is only becoming a problem because local communities are using their legal weight to prevent enough condos & apartments from being built to satisfy demand. So now we have more homeless people and high rent problems.