How can they raise your rent by 50% and you have to let them know in 10 days if you can still live here or not what is wrong with these people this is why people live on the streets because of people like this

I was living here until they raised the rent by 50% I don't know how they think people can afford to live and on top of that they want you to let them know if you can stay here with in 10 days people just barely make it now as it is if you are going to raise the rent at least do it wear you can still afford it and give you enough notice ...