"I'll start once I have a bigger audience." You don't have to build the crowd, you can borrow one. Here are the four ways to get in front of audiences other people already built, plus the one capture step almost everyone forgets.

Running ads feels like the grown-up move, until the bill arrives. Cold ads make you pay for the whole journey from stranger to buyer. Here's why borrowed audiences are warmer, cheaper, and why ads should be your last move, not your first.