The document discusses how to calculate how much home one can afford based on their monthly income. It lists the major monthly home expenses as mortgage, property taxes, and heating costs. It provides the general rule that total home expenses should not exceed 32% of gross monthly income. An example is given for a couple with $5680 monthly income to calculate their total affordable household expenses and maximum allowable mortgage payment amounts based on expected property taxes and heating costs. Formulas are provided to calculate maximum home price affordability based on down payment and mortgage amounts.