Turn your happy customers into your sales team. If you’ve got happy customers then there’s no reason you shouldn’t be able to get some great testimonials. By cultivating satisfied, evangelistic customers you will, in essence, be building (or adding to) your sales force. Especially for any type of service catagory, the only thing better than great ad copy may be great testimonials from happy customers.
Here’s how one of my clients does it: http://www.ctww.info/program/successful_weight_loss_andrea.htm
and here’s how I do it: http://www.follisinc.com/Client.letters.htm