Top 20 coins is always a good place to start.
Before you start investing i'd recommend you to read alot! Articles, charts etc. (Remember bitcointalk is the best place to start

)
Here is what i did when i start:
I found a top 20 coin, found a coin with reasonable price(From my pow), and started reading about it.
Read read read - read some more - think about investing then read some more

A big check to you bro! The top 20 altcoins in CMC are waiting for a tremendous moment. If we are investing today, for sure we will take the profits in the future. They have the strongest foundation and anytime, they may spark. Just hold tight and be more positve because we will harvest our shares soon!