Sales Leads | Lists of Consumer & Business, Aged, Telemarketing, Mailing & Realtime Leads Business & Consumer Lead Lists for Telemarketing, Mailing, Mobile and Aged Internet Leads. Sales Data Pro offers Real-Time Leads Tier 1. Leads are delivered directly to you. All lead deliveries can be on a customizable weekly schedule, grant access to all types of traffic, can be turned on and off and tailored to fit your needs.