Working from a Caribbean island might lead to a lighter wallet. As many as a third of remote workers who move to a cheaper location during the pandemic could end up getting pay cuts, according to a survey by Willis Towers Watson. Employers "are doing it on the very logical premise that the cost of labor is different in these different locations," said Catherine Hartmann, a managing director at the consulting firm. So, maybe do the math before you pack up and move out of expensive cities like NYC and Los Angeles.