The auto parts retail industry enjoys resilience even during times of economic downturn. Therefore, learning how to start an auto parts store can be a profitable venture. According to a May 2017 article on the website Bloomberg Businessweek, “ We’re driving our cars longer.” Hoovers Inc. reports that the auto parts industry is highly concentrated in that the 50 largest companies generate over half of the industry’s total revenue. Before you open an auto parts store, you must conduct thorough research of your market.