Check out our list of bitcoin wallets that you can use on your mobile phone here.
Get paid in bitcoin! You can sell your goods and services for bitcoins using a variety of methods, the most common way is to simply ask to be paid in bitcoins to your bitcoin wallet address.
If you want to sell products on your website you can use a checkout system like BTCPay to make the whole process easier for buyers with bitcoins. We have a post on how to easily accept bitcoin on your website for payments here: Accept bitcoin for payments with BTCPay