Rove’s 75% hotel rebates are buzzworthy. But I finally understand how it's sometimes funded - one booking carried a 100 percent markup that wipes out your gains. Here’s what’s really going on—and how to spot when a “too-good-to-be-true” travel deal actually is. Continue reading You Can Get 75% Back Booking Hotels—But If You Miss the Hidden 100% Markup, You’ll Lose It All...