I just spoke to several different NYC and Long Island RadioShacks and Best Buys.
The answer is a sweeping, "No."
You can't use gift cards to buy other giftcards, unless that specific store is authorized to do so and if they are, it's usually very specific which card you're allowed to get.
In other news, my iPhone I "reserved" at Best Buy in Bay Shore, NY came in. Punching out at 4:30 and picking up my sexy new 4" toy.
If you're anywhere near the horrible store I wrote about above, check them out. They've got 3 or 4 iPhone 5's behind the counter as of this morning, but won't sell them to white people.![]()
In TN i used my $50 RS gift card and bought a kindle gift card which can be used on any amazon purchase.