answer:Tire rotation should be the least of his concerns. How many miles a year does he drive? I do about 10,000 per year. I get an annual oil change with synthetic oil, and tire rotation is thrown in as part of the general checkup and servicing at that time. Finding a tire retailer who offers “free tire rotation” is like finding one that offers “free air”; it ain’ no thang. I would recommend the best quality-for-the-money deal that you can make at any reputable retailer – or even his regular mechanic – who will charge a markup, obviously, but who will remember him, too, as a favored customer. And being a “favored customer of a good, honest mechanic” is worth a lot in its own right.