Many investors has achieved a lot of profits from Ethereum investment, because Ethereum still remain the best altcoin  among other altcoins in the market. Now that many altcoins price is preparing to increase higher in the market, it will be favourable to use this period to buy more of Ethereum and other altcoins and hold for the bullish period to come before you can sell to make a reasonable income which is the expectations of every holders in this season. Investing half of your money on Ethereum and other coins like Bitcoin and apply long holding, I think it will help you not to experience failure in your investment in the future.