How do you generate leads?

My best way to generate leads is Email marketing and Campaigning that is best and effective.

Networking would be the best thing to do in order to keep your leads alive all the time of course on the basic ways would be  

• Networking again.
• Marketing.
• Social Media.
• Cold Calling 
• Knocking Doors.
• Advertising Your Company.
• Brokers on your Business Type.