#7. You’ve Gotta Have a Database – Even if you use 3 x 4 cards, it’s better than nothing! As your leads come pouring in the door, you need a way not only to keep in touch, but track your conversion from prospects straight through to the sale. With a database, you will be able to track how long it takes from first contact until they purchase something. Where are your leads coming from…real estate ads, newspaper, postcards, seminars?