Theoretically there is a cap on rent through the forces you are describing, but we have no idea where that cap is and have yet to see it in reality. If its arbi

Theoretically there is a cap on rent through the forces you are describing, but we have no idea where that cap is and have yet to see it in reality. If its arbitrarily high it may as well be infinite for how it affects budgeting. Rent control will achieve the same pros and cons as your system but with a known value that people can plan around instead of seeing just how much money is going to be passed around in tax