Q: How do I cash out Bitcoin?
A: You can cash out bitcoin by selling it on the exchange that have FIAT pair, e.g : BTC-USD.
Then from that exchange, you can withdraw your USD to your account such as : bank account, paypal account, and other fiat account.
You should offer resources for a Beginner or Newbie to make some decisions on which exchange they can use if they want to buy some Bitcoin!