What is a significant factor when determining the cost of a mortgage?

The Annual Percentage Rate (APR) is a critical factor in determining the cost of a mortgage because it represents the total cost of borrowing over the life of the loan expressed as a yearly interest rate. The APR includes not only the nominal interest rate but also any additional costs or fees associated with obtaining the mortgage, such as points, lender fees, and other closing costs. This comprehensive measure allows borrowers to understand the true expense of a mortgage by providing a clearer picture of the cost over time.

When evaluating mortgage options, borrowers often use the APR as a comparison tool to identify which loan may be the most affordable in the long run. A lower APR typically indicates lower borrowing costs, making it a vital component of the mortgage equation. Understanding the APR helps borrowers make informed decisions about their mortgage options, enabling them to assess the overall financial impact and affordability of the loan.