Actually, I am pretty sure his math isnt off that much, plus I think there is tax on Amazon. The price of the unit is $469.99 on amazon, which is where he said the coupon is for, if you knew how to read. 25 percent off would bring it to like 355 plus tax/shipping/bs charges from amazon, and 375 sounds close.math > you....25% of 400 is 100 dollars off, not 25