I started back in July and it was very easy with Coinbase, they have a nice dashboard and its very easy and convenient to buy Bitcoin, Ethereum and Litecoin. Of course you will pay fees for the convenience but i do not think they are high given that as a newbie they make it so easy.

Buying Bitcoin

Getting started on Coinbase - https://www.youtube.com/watch?v=F1GB45_d8Vw
Also, if you join Coinbase from that link in the video you will get a $10 sign-up bonus

Investing Bitcoin

As a beginner in crypto currencies I also found a great way to invest with the big 3 - BTC, ETH and LTC.
Check it out https://youtu.be/IUJ8R202Mmw
What I like is that its a short term investment of only 6 weeks and you can withdraw earnings at any time.

Trading Bitcoin

I started using https://coincube.io last week, they are a crypto index/hedge fund. They trade the top 30 currencies automatically and will rebalance the fund daily or weekly etc. based on what your risk level is. So far so good but its early days so fingers crossed.

Mining Bitcoin

I am also doing some mining which makes a nice return, check it out https://www.youtube.com/watch?v=aBGnziClsjo