So many current homeowners are reluctant to keep their homes.Two of the biggest factors behind the boom are rising mortgage interest rates and skyrocketing housing prices.According to Freddie Mac, the average rate on a nearly 30-year fixed-rate mortgage has nearly doubled since the beginning of the year to 6.70% last week, the highest since 2007.Coupled with the pandemic-era ballooning of property prices, and now soaring monthly mortgage payments on newly purchased homes,But if you’re a homeowner who just locked in a lower mortgage rate at some point in the past, then your housing budget may not have increased much.“Homeowners have opted not to sell, so diminishing the potential for the housing market,” says the author."