For starters, you can put the most frequently-used lenders'
rule-of-thumb to work: the 28% and 36% formulas.
The 28% test permits you to spend no more than 28% of your gross
monthly income on your total monthly housing costs, including
principal, interest, taxes, and insurance.
The 36% limit covers both your P.I.T.I. and long-term debts
such as alimony, regular household expenses, outstanding loans,
and support for children.
(For Example) Do your calculations for the following:
1.
Your gross monthly income:(Gross is before deductions for
taxes and Social Security)
$____________________
X 28%
Maximum House Payment
$____________________
2.
Your gross monthly income
$____________________
X 36%
$____________________
Subtract your existing monthly debt (Debts should include
current monthly obligations, such as loan payments, credit
card payments, child support, etc.)