Looking at buying some

I think all I have to do is

Setup a Wallet -- I chose to use JAXX as it is on my mobile

https://coinsutra.com/best-etherum-wallets/

Buy Ethereum/Bitcoin

https://www.coinbase.com/join/5a0f0ae1b93cc4023442e38c


Anybody know the ins/outs , how do you sell on for a Flat currency (GBP, EUR ..)