Getty Images; Chelsea Jia Feng/BIThe infamous "lock-in" effect that's restricting home supply may be going away next year.Realtor.com's chief economist expects more homeowners to list their homes for sale in 2025.High levels of home equity and life changes will encourage home sales, Danielle Hale said.2024 has been a tough year for homebuyers.Affordability levels are still low with elevated home prices and mortgage rates.