Every seller wants to get the best price for their house. We learned in high school that the best price for any item will be determined by the demand for that item relative to the supply of that item.
We have reported that the inventory of houses for sale is well below normal numbers.
There is historical evidence that the demand for housing is about to increase dramatically. Each year, more homes sell in May, June, July and August than any other four months of the year. Here is a graph of home sales last year by month: