@CainPrice the problem is that masculintity is an empty signifier that anyone can identify or claim. If some is going to charge money they better be offering something straightfoward and tangible.
A bodybuilding workshop is one solution, the other is to teach a sales course which could later be applied to women. The point is to make your audience work for it not passively finger their asshole.
The big issue is that the Manosphere is filled with hard betas and pajeet that want to attach a Ferrari sticker to their Honda Civic of a life. There's plenty of dudes willing to sell those stickers.