Its actually very straightforward and not much different than setting up an online savings account. You need to open a bitcoin wallet which basically functions as an online aavings account and link that wallet to your bank accounts. A quick google search will give you a few options of best wallets. There are many options. Once you have a wallet you will get an address. Think if this as a routing number if someone wants to send you bitcoin you provide your address. The transfer process generally takes a few seconds to ~10 minutes but leans closer to the shorter end. Once you have bitcoin its immediately convertible to cash. With a small fee (generally less than 1%. So when a Domme accepts bitcoin , i can ask for her address send her the money, she converts it to dollars and transfer to her bank account. Session fees are handled quickly (less than 5 minutes) and relatively anonymously for all parties involved. Their are a few well established Dommes that use this approach. Ive found it to be fantastic