Vultr’s offer was a few years ago, but many did not know it. Please login now and get $3 free.
The picture shows you can receive more free credit as soon as you login as below:
Then click “Click here to view available promos“, or visit this program here: https://my.vultr.com/promo/
You will see the message similar to below:
(Because I received $3 then the Twitter icon is gray)
Then follow the Verify your Twitter button, Follow @Vultr and tweet with your Twitter account, so get immediately $3 free to your Vultr account. This amount is not limited to usage time.
Sign up for a Twitter account here.
If you do not have an account here, please register one, Vultr currently has a lot of promotions, see more in the Vultr Coupon.