a. Existing Customers and Existing Products. Find ways of selling more products to your customers, or raise the price or fee. If you have been charging your customers the same price for a year or more, it is reasonable to notify them of an increase. Similarly, there comes a time when you might decide to turn down low paying work in favor of spending the time looking for higher paying markets. You might also increase inward cash flow by strategies such as announcing a sale, or by offering a discount if people pay now for a year's worth of services. b. Existing Customers, New Products Keep your existing products, but look for new customers. Ask your existing customers for referrals, have a contest or publish a newsletter. Look for opportunities to reach new customers through joint ventures or other strategies. For example, if you are selling web development services, you could locate a company selling ecommerce software and arrange to promote one another's services to your existing customer list. You will both be using your existing products to reach new customers. c. New Products, Existing Customers. Develop new products and sell to existing customers. This is often referred to as developing "back end" products, and is a favorite approach used by the web's more successful entrepreneurs. For example, if you are currently selling gardening supplies, you might notify your existing customers that you now have added vegetable cookbooks or garden ornaments to your inventory. d. New Products, New Customers. You develop new products and look for new customers. Essentially, this means you have a new business, and like all businesses, you will need to do your homework and your market research.