[Catalysteffect]

So i've been going into walmarts and taking blank cards and then bringing them home and using a hairdryer to peel off the sticker on the back. But i've noticed a lot of them producing nothing at all. I've been wondering why that is when some in the batch I drop off get a balance at some point but then their is a lot that don't. So is me using the hair dryer to melt the glue wrecking the card in some way. I even went to the lengths of returning something to get a gift card and they would use the card i planted. So when they went to use it, their system crashed. They had to manually enter it in. So what I'm doing has to be doing something to these cards. So if this the case how can get the sticker off without wrecking the card. Just using a exacto knife is hit or mis and it still messes up the sticker in a way. Using the hair dryer makes it easier and makes it looked not tampered with.

[mothered]

Moved from The Lounge forum to Social Engineering.

So when they went to use it, their system crashed

Please elaborate further on this.

using a hairdryer to peel off the sticker on the back
So is me using the hair dryer to melt the glue wrecking the card in some way

Are you using the lowest heat setting, as well as holding the hair dryer at a reasonable distance to make sure It doesn't damage the sticker/card?

[Catalysteffect]

I had the dryer positioined at what I thought was a resonable height. And i did keep it at the lowest setting cause i would peel as it was under the heat so i woulldn't have to put it under again. I really thought I did a ggod job you couldn't even tell that it was tampered with that is what made me question it enough to investigate for myself and make a return. I tried something in hopes that it will solve the issue. I attached a tube to it so the device wont be near the cards its a little more difficult to work with but i will just have to engineer something to make it more manageable and I do believe I should remove the back out of it in someway to keep it cool and so I dont burn it up