You can purchase or sell as little as 2.00 of digital currency denominated in your local currency ($2 or €2 for example).
Coinbase was founded in June 2012 in San Francisco, California. The digital currency platform exchanges Bitcoin(BTC), Bitcoin Cash(BCH), Ethereum(ETH), Ethereum Classic(ETC), 0x(ZRX) and Litecoin(LTC) with fiat currencies in 33 countries. It also offers Bitcoin transaction and storage in over 190 countries. It is the world's largest Bitcoin Broker.
Coinbase offers debit card, credit card, wire transfer, Xfers transfer and SEPA transfer as payment methods. Users must provide personal details and full identity verification to use the exchange. A government issued photo-ID is also required to make payments using a credit card. Coinbase offers very high limits due to its extensive know your customer (KYC) process. TCoinbase may share a user's personal details by government request and track how the bitcoin is spent.
Coinbase is easy and simple to use for beginners, and it offers Coinbase Pro, an alternate trading platform for institutional investors. From various user experience, Coinbase support usually gets back to the user within 2-3 business days after submitting a email support ticket. A support phone line is also provided.
Trading fees between crypto to fiat currency varies based on country and method. Fees can be a flat rate or a percentage of up to 3.99%.
Margin trading is now available on Coinbase Pro.
Coinbase and Coinbase Pro offer Margin Orders, Stop Orders, Limit Orders and Market Orders to its traders/investors.
98% of customer funds are stored offline. 2-Step verification on all accounts. Wallets (and private keys) are stored using AES-256 encryption.
Coinbase is now available in 100+ countries - you can check if your country is supported over here: https://www.coinbase.com/places. (Please note that payment methods are different from country to country.)