So, I am looking to go to Vegas in early April, room rates are very high, compared to what I normally have to pay. Total Rewards will not honor my deal code the nights I am going. I check all the other sites, Mlife, priceline, Expedia, exct exct. My friend who is a traveler, a seminar guru, and somewhat of a conspiracy theorist told me this: that a guy told him, traveling sites, use your IP adress, cookies and such.... And see that you are constantly searching for a trip. And that they slightly raise the price lil by lil, scaring you into booking. They figure since you looking so much for specific dates you are commited I'm about 30 days out from when I want to go. I'm not totally sold on his theory, but I am going to take 7 days off or so from searching, before checking back into rates.