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Ideally, as a first-time homebuyer, you already know how much you can afford to spend before the mortgage lender tells you how much you qualify for. Bankrate's "How much house can I afford?" calculator will help.
By calculating debt-to-income ratio and factoring in a down payment, you will have a good idea of what you can afford, both upfront and monthly.
Though there's not a fixed debt-to-income ratio that lenders require, the old standard dictates that no more than 28% of your gross monthly income be devoted to housing costs. This percentage is called the front-end ratio.
The back-end ratio shows what portion of income covers all monthly debt obligations. Lenders prefer the back-end ratio to be 36% or less, but some borrowers get approved with back-end ratios of 45% or higher.
"Find out what you can afford and then you can back into everything else. We know the money you have available to put down, we know the monthly payment and we can solve (the equation) for the third variable -- and that is the home price," Winesburg says.