You may use whatever service you choose to purchase your bitcoin.
The following are suggestions to help you get started.
*** If any service asks for the wallet info or who you are sending to,
do not tell them.***
Gemini.com now accepts apple and google pay!!
Cash App Instructions to buy bitcoin
1. Open a cash app account, add a debit card and follow the instructions below
2. Open cash app
3. Tap squiggly line at the bottom
4. buy bitcoin
5.tap on lower left corner with amount you have
6. tap bitcoin
7. withdraw bitcoin
8. You will be givin the chance to enter the bitcoin address. At this point you may need to get verified