Here are the 15, 30, and 50 year amortization tables for a $500k 6.5% loan. If you take the 50 year loan at age 30, by the time you turn 50, you will still owe $447,235 after paying 632,749 in usury. This is literal indentured servitude. Oh, & they own the house until you're done

Our first condo had a mortgage interest rate >10%. Once the economy improved, and we were ready, we bought a home with a mortgage ~7%. We moved after 20 years and bought a house with a 5% mortgage. Interest rates are dynamic and assuming no ability to refinance for the next 50 years is a losing bet. We need to facilitate our young people gaining a stake in our economy.