Well, easiest would be if you listed the all-in prices for a couple deals you considered perhaps too good to be true. People post this kind of question all the time and usually one of the following: hidden charges obscuring the all-in, poster is affiliated with the website somehow and just posting the "question" to drive traffic, start-up site is promoting some loss-leaders to get on the radar, people unfamiliar with other typical ways to discount rooms 10-50%.