refinancing
https://therefinancingnews.almoheet-travel.com/when-does-refinancing-make-sense-for-homeowners
When interest rates drop, refinancing your mortgage can feel like finding money in an old coat pocket. You take out a new loan with better terms to pay off your existing one, lowering monthly payments or shaving years off your payoff timeline. But it's not free—closing costs and fees can eat into savings, so you need to plan on staying put long enough to break even.