It touts the cleanest restrooms in America and a brisket sandwich that built a cult following, but Buc-ee's received the worst possible grade from the Better Business Bureau (BBB). The BBB recently gave the Texas-based convenience store brand an "F" rating, citing a failure to respond to nearly 90 complaints filed against the business. The BBB assigns a rating between A+ and F, and although customer reviews do not impact the final grade, the company's interaction and responsiveness to complaints are conside ...