There are lots of coins to choose from, do your research and who knows. In the upcoming months and years with lots of coins to be launched its going to be a very competitive space with a lot of losers and a few winners. Watching what goal you pursue. What do you want from investment. For how long you are going to invest and for what amount. If it does not matter, buy any for any amount and for any period.
the question is the time that the coin will be having a good value if it will run for a couple of years then the best coin to buy for now is bitcoin since the price is too low and there are lots of prediction that this year is a good year for bitcoin.