How Do You Treat Your Best Customers?

Seth Godin says, "Your best customers are worth far more then your average customers." Why is that? Your best customers are more likely not only to purchase more product or more often, they are also more likely to refer you to others.

So instead of trying constantly to get new customers, why not focus your marketing strategies on your existing best customers? Most of my new business comes from word of mouth referrals from existing clients. So that's where I focus my energies. Make it easy for them to refer you and give them a nice thank you.

How do you treat your best customers?