Currently many people buy and hold crypto currencies for many reasons.
It will be interesting to share your goals in 2018.
Mine would be to make 20,000$ profit then I would take back my initial investment plus half of the profit. The remaining half will be used for re-investment.
How's about your goal and plan?
My goal is quite similar to yours get some bitcoin and then get back my intial investment and then some profit to live off. I don't want to say I want to 5-10x because that would be looking greedy and I don't want to be greedy just want to get out ahead so can have a decent life.