Funny you should mention it. I noticed my most recent last-minute booking had a discount of $25. I figured I should look at my pricing settings before I made a stink, as $25 isn't going to kill me, but now I'm curious...
@Leah50 Check your pricing settings. Sure enough, I have a 10% discount ($25) for last-minute bookings. I think many of these are set by default, so make sure your prices say what you intend!