Marketing an Auto Detailing Shop

How do you market an auto detailing shop? Well a couple of years back I was giving a speech at a College to some business students who appeared to be considering going on to get an MBA and so I posed this exact question to them you see?

I told them to write down their answers and the winner would receive a free car detail from our local franchisee. I got a lot of great responses and many were your typical type answers, such Cable TV, Yellow Page Ads and Money Mailers. The first two are okay, but costly and we are really looking for maximum penetration and low cost. The money mailer is good if you specifically target high-end clientele wealthy area zip codes, but indeed on gentleman Mike Saunders won the free detail as he answered from referrals stating;