Perhaps the only real way to reach free leads is to network with other, more experienced marketers, and perhaps get them to share their lists as a way to get you off the ground. With this, you aren’t really getting free leads as such – more leads at no up-front cost. The other marketers will usually expect that you will send commission to them for the sales that you make.
Networking, as it used to be called, is a pretty thankless task. The conventional approach to networking was to start with the network of friends and colleagues that you already have; friends and family, your existing clients, your contacts at the squash club and so on. Most people feel uncomfortable pitching to friends and family, unless you have an unbeatable idea or concept, but if that was the case, then lead generation would not be a problem