You will likely save a little on housing costs by downsizing. Our tax bills and our heating bills are lower. When we disposed of our old stuff, which involved selling some silverware, kitchenware and a few pieces of furniture, we netted about $500. But then we spent several thousand dollars buying a smaller sofa, a larger TV, a new mattress set and some wall hangings that would go with our new décor.
https://money.usnews.com/money/retirement/baby-boomers/articles/6-downsides-of-downsizing-for-retirement