How to buy and sell bitcoin

Bitcoin has really been a house hold name particularly this year or 2017.
I almost get questioned how to buy bit coin almost everyday and this is how.

localbitcoins.com

This is a widely used way to buy bitcoin,meaning you visit the website and signup.Then you need to verify your account and you good to go. There are always traders waiting for me and you to sell their BTC or buy BTC from them.
You can use your BTC to pay for anything that you want to buy online. Or you can speculate with your btc on www.bittrex.com which is a way of investing by buying altcoins.