Are there internet sites that offer lower hotel rates than the ...

When I use a hotel for accomodation on travel, and the desk attended tells me the price for a room, like 50 Euros, i'm gonna tell him that I have seen an offer for 35 € on the internet, and generally get that price. ... to offer the cheapest rates directly, unless you geta non refundable offer you also have the advanatge of being able to cancel up to 48 hours before check in and if the rate drops after you book you can call the hotel and they will adjust your rate. ...