I don't know where you get your numbers, but it's cheaper to pay a mortgage than to rent something if the same size. It's just that most people don't have enough for a down payment. Also you can't "move around" too much.
Still it's foolish to pay rent when the money is going into the owners mortgage instead of just paying your own. The homeowners game is long term, you don't see the benefit until around the time you hit the 10 year mark, then you really start understanding the increase in value and actualizing the profit as real estate values increase over inflation.
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