Haha, I'd be lying if I said the thought hadn't crossed My mind, with the experience I had returning the Geddly Lee Jazz that I had for two days. Heck, on that deal, they even refunded Me the shipping costs. All said, I wouldn't think I'd burn through many karma points, doing it like that.
Take a pen, notebook, and tape measure the next time you go to GC to pick up some supplies. Or find a local cat who has one and they get a free case for letting you guinea pig their head.