Thanks for reading and the comment. While I appreciate the sentiment, less than 15% of single-family houses in the US are owned by landlords. Cities that have enacted rent control like NYC and San Fran have less new construction and much higher purchase prices. Prices have shot up because demand has outstripped supply, so I believe policies that encourage building more houses is a better way to keep prices down than rent control. Some large corporate landlords have started building their own neighborhoods to rent out because supply is so low. This is a good thing for renters and potential homeowners as more supply means lower prices. Rent control would discourage these developments and help keep prices high.