If any PlayStation accessories go on sale during Amazon
The PlayStation Store allows you to purchase gift cards, but because it’s an entirely online store, you have to activate the cards with a code first.
This can easily be done from your PlayStation 4 if it has a connection to the internet.
Check out the products mentioned in this article:
PlayStation 4 (From $299.99 at Best Buy)
How to redeem a gift card code on your PS4
1. Log into your account on your PS4 and access the PlayStation Store. This should be a registered account with internet access.
2. From the PlayStation 4’s Store menu, scroll down to the second-to-last option, “Redeem Codes,” and select it.