If a sales margin eventually makes a purchase, Email Lists this is called conversion and a closed sale. The ratio of sales leads that convert is often referred to as the conversion rate, a manner to capacity the effectiveness of a sales process, sales team, or sales person.

Sales leads are generic leads that are generated on the basis of demographic criteria such as FICO score, income, age, HHI, etc. These leads are often resold to multiple advertisers. Sales leads are en masse followed up through phone calls by the sales force. They are commonly found in the mortgage, coverage and finance industries.