Bitcoin Buying and Spending. The best part: No fees! Also, the fees are higher due to the risk of fraud and scams. Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. Once you sign up and connect your bank account, you can easily transfer funds in and out of your account and convert them to Bitcoin and back to dollars at will. This can be an online digital wallet attached to the account where you buy and sell, a program on your computer or a physical device you plug into your computer.