B J's Gas & Liquor is a convenient gas station and mini mart located off the 99 Freeway at the Fourth St exit in Madera. It is noted for consistently having the cheapest gas in town, with prices that are comparable or even more affordable than others. The business also functions as a convenience store, described as always stocked with snacks and a variety of fresh, hot food like pizza pockets, burritos, and chimichangas made daily. Customers frequently mention the friendly, nice, and polite service from the owners. The station is easy to access for gas between trips, though it is closed after 10pm. However, some reviews strongly caution against using credit cards at the pumps due to concerns about card readers and potential fraud, advising cash instead.