This.

You have to book through the Travelocity Incentives site, which generally has higher priced hotels than Travelocity. So a $50.00 voucher is worth roughly $30.00 in savings with no points earned. There are also strings attached. (I.E. Have to book for 2 consecutive nights at the same hotel) I've used them twice: Once in Alexandria, VA at a Best Western since we didn't want to pay D.C. prices on a family trip and once at the Fontainebleu in South Beach Miami because you don't earn points there.

Personally, I think the $40.00 car rental certificates for $20.00 are the best deal of the travel lot.

But, the deal the OP posted is nice. $3.00 off the normal redemption and a free $25.00 gas card is good.