Ethereum is a great long term investment. Currently, the coin is going strong with a market capital of $68 billion. It has shown a great increase by 1100% since it origin in 2015. In the last year itself the coin has shown a profit of 3700%. Also, after gaining acceptance from major companies like Microsoft, Intel, JP Morgan, the coin's market price has seen a great increase. The coin also has one of the best development teams behind it and can easily cross the $1500 mark by the end of 2018. Hence the coin has a lot of potential and you can expect good returns from it.