There was a very popular info product I used to affiliate sell ~15 years ago, where the cost was $20, but they’d give you a $40 referral, because their follow u

There was a very popular info product I used to affiliate sell ~15 years ago, where the cost was $20, but they’d give you a $40 referral, because their follow up game was strong enough that they just saw it as paying $20 for qualified leads who were willing to get their wallet out.