Mining has always been a wonderful rollercoaster because of how BTC / alt-coin prices seem to increase against all odds of known fear. Try to figure out a way to hold onto value for even more ROI. Making a profit comes when prices go up and holding enough from a large run before selling.
Quite a few smaller coins don't require GPU, but rather CPU or other storage mechanics to mine tremendous amounts in comparison.
Mining in 2018 I guess will become more popular. It is more popular because it can really attracts many people. It also helps many people on their living, so it means it will be more successful for the coming years. Eventhough sometimes the price of this drops but you must really have patience to wait for you to gain a lot, patience to wait until it will be back to its normal price. Mining is really a big help for everyone, so must treasure it.
I was really affraid about investing on mining....