Come In and See The Advantage Auto Service Difference. The One Stop all in one Shop for your automotive repairs, and scheduled maintenance. We are a Family Owned & Operated Business in Marietta, GA. Our ASE Certified technicians for over 20 years have been earning our customers trust. Our mission is to educate our customers, show them what work is necessary and why. Likewise, we will share what isn’t needed. Come in for a Complimentary Inspection and Electronic Scan