Since everything have settled now, i think BTC will go up 1st then the alts. For long term you can never go wrong with BTC and ETH. They may look expensive right now but in the long run will look cheap. Worst mistake of people is investing in high returns and not taking their profit and then losing all their money when their investments crash. It is also good to join twitter to stay updated of the developers of your invested coin so you know when to hold or sell.