A Step-by-Step-Guide on how to buy Ethereum Classic (ETC)
You receive the 10$ sign up bonus when you start a sell or buy of $100 USD or more within 180 days of opening your account. It can also be 100 USD equivalent of your domestic currency and the amount can be a cumulative 100 US Dollar, so it can happen over more than one purchase.
Also: you only get the bonus when you create an account with the Coinbase Promo Code Link from this site!
Step 1 – Sign up for a Coinbase account and receive 10 Dollar Bonus in BTC
Use the following button for signing up at Coinbase.
Supply an email address, choose a username, and pick a strong, secure password.
The infrastructure and website of Coinbase is fast and secure, so you're personal data is safe.