invest some money. just invest on top coin. top 10 is good because you can easy cash out.
You are right, to find the top ten coins we can find all of the information on here
https://coinmarketcap.com/On coinmarketcap we can find the information about announcement of top ten coins, the capitalization market,
The volume of transaction in 24 hours, the market place to trade the coins, that is good source of information about the altcoins
before we choose them to investment.