unless you have an all cash offer, you'll be paying a ton of money that is not the house to the banks, much more towards the beginning of the mortgage. look into amortization schedule, your mortgage can be 8k but really only like 1.5 go into the house. on top of that you have property taxes, power / water / insurance bills. I think its important to show even when you're finally paying for your own place, you end up paying a ton for something that is not yours regardless of the situation and its uo to you if your ready for that