Low-end retailers like Dollar Tree are betting big on the return to in-person shopping, with new stores and new aesthetics lined up to entice shoppers as lockdowns ease nationwide. Following an unexpectedly bleak April, May’s retail sales will provide another valuable look at how eager shoppers are to get back to spending. When they do, shoppers will be greeted by waves of newly hired workers, with young consumers unusually primed to spend their own money.