Note that this method is classified as grayhat, meaning that it isn't completely clean. You won't have to face legal consequences you'll have to play with other people.
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
Gift cards obtained with this method are completely genuine and can be redeemed in your own Amazon account without consequences. Nobody has ever been banned/limited for using these gift cards.
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
I can't say a day where this method gets patched anytime soon. This is a stable and long lasting that I personally update whenever needed. No saturation risk.
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
The method described in this guide can be used worldwide without limitations. It does not have any specific requirement so you can simply get the guide and start using it.
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
Cards obtained with this method can be redeemed inside Amazon.COM. I do not guarantee that they can be used inside local Amazon website (e.g. amazon.de or amazon.fr)
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
Remember that each instance requires SMS verification. You can get these by yourself or using the provider I recommend inside the guide. In any case, they're few cents each.
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS
You do not need powerful hardware to use Amazon Dealer, some customers are able to perform the method using their smartphones instead of computers too!
RE: [$20] AMAZON DEALER v4.1 - THE ALL INCLUSIVE GUIDE TO COLLECT AMAZON GIFT CARDS