For over a month I been trying to get the best deal as possible on a '06 KC/SE(Smoke or Black) with bedliner, and today one of my local dealers have what I was looking for a great price of $20,650, that's after the $2750 rebate and 3% under invoice. But I backed down when they tried to charged me $600 on dealer's fees, don't know if I did the right thing since the rebate expires today, any advices?