Likely what you're really asking is how to do effective lead generation.

Where "effective" means locating new clients at near zero cost who can pay you $1000s every month, week, day or hour.

Simple solution.

Get in front of groups of people with money.

Simple way to do this. Join https://Meetup.com + attend many business + networking events.

Watch + Learn how speakers, group organizers, attendees all "work the room".

Attend a few of these groups + you'll be generating more leads each week than you can process in months or years.