Not sure where to put this, but me and my friends got confused about recharging UGCs. It seems they've added a tax to it when you recharge 20$.
So when you recharge 20$, you have to recharge two of them, and on the second card, the tax gets taken off of that 20$. The extra DOES gets stored, but you're only able to recharge 15$ of it, since there's only certain options to choose, you can't do 18$.
A way to get around it is why I made this little guide, since it's hard for me to explain to people without them getting lost. You get all of what you paid for this way, too. :]
1. Recharge 10$ like normally Pre-paid cards>Ultimate Game Card>10$.
Second page, noting it stores it on your account for later purchases with Ntreev.
2. After finishing the first 10$, go to the Credit Card/Money order section.
3. Next, click PayByCash option.
4. Choose 10$.
5. Click yes, of course.
Last thing to do. This site is totally safe, of course. So you can trust them.
I've done this, and have recharged through UGCs/Paybycash plenty of times. I've never once got a phone call or any mail from them, so you don't have to worry. They send emails only when you recharge, or when UGC is having some sort of deal.
After you fill this out, click continue and you're all set.
I am not sure if they'll add tax onto the 10$ option, or if they can do that. It works for now, and you'll be able to get what you paid for. This is the first time doing a guide for anything, and hopefully somebody can find it useful.
I am also not sure if they charge tax on the other pre-paid cards, either.