Totay i want to introduce to you a good cvv shop to buy cvv online, with this shop you can find any bins you want and buy any times, you will get refund instant via their checker if checker say invalid card. No fee for checker if card is invalid, and you only pay 0.3$ for approved card.
They are updating 4 times a week, supporter online 10/24h a day.
If you have any question you can open a ticket.
link to cvv shop: http://best-cvvshop.ru
You can deposit money via Bitcoin. Read this post to know how to deposit via bitcoin at the best cvv shop: http://best-cvvshop.com/how-to-buy-cvv-with-bitcoin.html