Hotel chains such as Hilton, Hyatt and Marriott offer small discounts to their loyalty members for reserving directly, and you usually have to book directly to earn rewards points. Plus, “there is a good amount of anecdotal evidence that hotels treat people better when they book directly,” says Pauline Frommer, editorial director of travel publisher Frommer’s. Travel forums and consumer review sites detail a slew of instances in which OTAs bungle customer service when things go wrong. Plus, changing or canceling your flight or itinerary can cost extra, and some smaller sites charge a service fee for booking. Get the full story at Kiplinger