All the problems with redeeming HDTV coupons suggests a massive scam of double-billing. A retailer claims the coupon won't work or is expired, charges full price for the box, but bills the govt for $40 as well. I think that's what's happening to me. I bought a box online just before expiration of my coupon; then after the purchase went through, the seller said there was some problem with the way I registered the coupon. By the time I cleared that up, seller said my coupon had expired and the purchase would proceed at full price, without a coupon. As if they don't have a reasonable time to bill the govt!