"I don't see this as an especially big deal" Then you are clearly underestimating the effects of housing on the rest of society. Where you live (and how much y

"I don't see this as an especially big deal" Then you are clearly underestimating the effects of housing on the rest of society. Where you live (and how much you pay) is one of the biggest factors that determine how you live your life. So whatever your opinion on the topic, it is a "big deal". "Renting has its perks, but this is part of the risk of renting" No, having your rent quadrupled over night shouldn't be part of the risk profile. Again, whatever your opinion it is a shitty situation. It's not like you aren't taking a risk by buying. "Where else does this occur?" What you can put in an agreement is determined by contract law. It's not obscure at all. https://en.wikipedia.org/wiki/Category:Contract_law https://en.wikipedia.org/wiki/Category:Contract_law