By Ilyce Glink and Samuel J. Tamkin (washingtonpost.com) January 24, 2022 Covid-19, as we’ve pointed out in previous columns, is a trend accelerator. When it comes to buying a home, covid-19 has been the best of times (lowest mortgage rates in history during 2020 and part of 2021) and worst of times (home prices are skyrocketing). As we ended 2021, the United States was short between 5.5 million and...