To buy using bitcoin you have to first convert cash into bitcoin. We recommend the two (2) methods below in converting cash into bitcoin.
CashApp lets you connect your existing debit card, credit card and/or bank. Once connected you can transfer money into your account, then convert it to bitcoin. Easiest Method to Obtain Bitcoin Fast.
Coinbase lets you connect your bank account, then buy and sell bitcoin and other cryptocurrencies. The Process Takes Longer To Verify, but Gives you Access to Multiple Currencies.