
How to Use a Mortgage Refinance Calculator With Closing Costs: Duane Buziak’s Break-Even Math
This step-by-step guide from licensed mortgage broker Duane Buziak shows how to use a mortgage refinance calculator with closing costs to find your true monthly savings, break-even month, and five-year net. A worked $320,000 example (all figures illustrative, not quotes) shows why a payment-only calculator can overstate the benefit of refinancing.








