Just got verified in my first coin market place ...your thoughts? ... opinions ?... future good investments?

Hello everyone on steemit, it has been a while sense ive posted anything but i can now officially say im in the crypto world as a young child eager to learn.

I started the simple way by getting coin base and slowly buying BTC ETH and LTC when they were low.

I now just recently got verified threw bitrex and see all the crypto and im in awwwww.
https://bittrex.com

I just recently found out about coinmarketcap.com and its been an awesome but overwhelming tool

Sooooooo what i ask to everyone that had taken the time to read is any pointers

Like is bitrex a good market place?
Why are other markets better then others?
Any crypto i should learn about and invest in?
Any other pointers that you know yoy had trouble with?

Thank you for taking the time to read this steemit community

All images found on google