We dollar-holders have enjoyed increasing buying power abroad each year since 2013, with every year eclipsing the last. Procrastinators and foot-draggers have been rewarded as they’ve watched properties get cheaper each year in dollar terms. But 2020 was different. Of the major currencies that I track, the dollar has gained in only three countries. In the remaining six countries, the U.S. dollar has lost buying power. Those same procrastinators and foot-draggers are getting a wake-up call as prices climb in...