The big advantage of coding your customer database with these 4 customer types is that each customer type is at a different buying stage. Pull out all your Suspects and offer them Latest Mailing Database something for free in order to convert them to a Prospect.
Pull out all your Prospects and offer them Latest Mailing Database something compelling to turn them into a First-Time Buyer. Pull out all your First-Time Latest Mailing Database Buyers and start a program to upsell and cross-sell additional products and services. Gone are the days of marketing to everyone in exactly the same way. With database marketing, you can now market by specific customer type.
Target Market I highly recommend you add Target Latest Mailing Database Market as a custom field in your database as it will allow you to pull customer lists Latest Mailing Database by specific market segments. The only reason to pass on it is that you have a type of business that is so narrow and focused, that you really have only one or two customer types.