What's the saying about renting a house? Can you live in it?

How do you say that renting a house is small before it is big? This situation is generally no problem, as long as there are no other problems with your house and your mind or house, there is a saying that renting a house is small before it is big. Can I live? This situation is generally no problem, as long as you are building a house, there are no other problems with your brain or house, you can generally use it normally.