I mean that if people knew some financial mathematics they would easily understand that it is much cheaper to rent a house, and save and invest the difference between rent and mortgage, than paying a mortgage.
I have actually put my house on sale. I will invest the sale proceed in shares, earning dividends (very easy to make 5% after taxes nowadays, I hope I sell my house before the next stock bubble). The dividends will pay for a nice rent on the outskirts of Rome, plus a comfortable "rent" living.
Mortgages make people poor. Buy a house when you have the money to pay it cash, I say. A mortgage is a way to pay interest on a large capital. Saving is a way to earn interest. A mortgage instalment is much bigger than a rent for the same house if the market is in a normal state. The monthly difference, properly invested for the long term, will buy a house faster than the mortgage.