I think that the idea is very good but a lot of depends from the realization of idea. What shops will accept such give cards? How to increase the number of the shops.
The typical nonsense post on Bitcointalk. The first sentence is unclear and generic, you can post the same in thousands of topics.
As to your question of what shops accept gift cards: Obviously the stores offering to pay with gift cards. Of course, if you use a Nike voucher to pay on Amazon it won't work
@Coinsbee.com
Topuptools decided to remove Skill? Look like they're focusing on Asia and Russian market now, what has changed since?