Determining Affordability: How much house payment is too much? How much is just right? ?Housing Expense is defined as ?PTIT(A)? ((Principle+Interest+Taxes+Insurance ((+Association )meaning HOA fees when applicable)) or 31%. ?31% is the amount of your gross income industry experts believe to be ?affordable?. ?This means if your income is $50,000 per year, (divided by 12) you earn $4,166 per Continue Reading about Did You Know ~ What Is Affordability ~ By Penny Sheppard