Theres a lot of altcoin to choose to invest, i think much better to make a research and look the what altcoin can give you a great profit if you invest. But mostly of traders or investor are choosing the top coins in the market.
if you don't do research before buying your altcoin that means you are ready to throw away your money. even experienced investors and traders also examine the progress of the project before starting to buy certain assets. Don't be too hasty to buy, study the market and the progress of the project will make you have a more complete analysis.