Imagine how much your sales and profits would increase if each of your customers come back just one more time a week or a month.  You would boost your sales by 50%.  Getting your existing customer base to visit more often is easier than you think.  This is because, unlike a prospective customer who has never dined at your restaurant, your existing customer has already tried your food and service and therefore trusts you.  Here are seven strategies for getting your customers to come back again and again.