Not entirely true. Hotels aren’t allowed to advertise prices lower than what’s on booking.com to users who aren’t logged in. If you are a member of the hotel’

Not entirely true. Hotels aren’t allowed to advertise prices lower than what’s on booking.com to users who aren’t logged in. If you are a member of the hotel’s loyalty program, you can and do get lower prices. Hotel brands prefer this because they get you into their system and they get to keep more of the room rate.