How much does Billy cost? Tom P 01 October 2019 05:49 Updated For Billy pricing information, head here — www.billycare.com/buy-now/ Billy is yours for as long as you want it. And you can cancel, quickly and easily, at any time. Related articles Is there any delivery or shipping fees? Where can I buy batteries for the Billy sensors? What batteries do the Billy sensors use? How can I get Billy? When does the billing cycle begin after I place my order?