I haven't been successful yet in using a delivery service with a hacked account yet. Every time, thus far, the order has either been cancelled, credit card info deleted or required to be re-entered first.  What am I doing wrong?

Where can I download reliable cracking tools, checkers and configs to get started? I've tried several times from this site (and a couple others) and my browser tells me it's dangerous.   I wanna take the plunge but really don't want to screw up my computer. It's literally my lifeline to the...