If you believe in the power of words, then you know that in as little as 15-words, you can pique your customers' interest in your gym and move them closer to becoming a paying member.
If you don't believe in the power of words, then consider Geico's one-liner: 15-Minutes Could Save You 15% or More on Car Insurance.
Geico actually did it in 12-words, and they've probably done way better than 15x.
If you want a simple, three-part formula on how to craft a one-liner that grows your gym, then this episode is a MUST listen.