Justin Mayer

Pay-to-lose-weight: stake $800, earn $25/day back for staying in range

Justin Mayer ran a 30-day weight-loss experiment: participants Venmo $800 upfront, get a blood-glucose monitor, and are refunded $25 each day they keep glucose inside the prescribed range. Miss the range, he keeps the money — a loss-aversion accountability mechanism.

“If you stay in that range for the day, he Venmos you back $25 for the day. And if you don't, he keeps your money.”

Steal thisBuild accountability products on loss aversion: take a refundable cash stake upfront and pay it back daily only when the user hits the goal.

Kettle & Fire + Perfect Keto at $100M+ run rate

Shaan notes that Justin Mayer's two keto products, Kettle and Fire and Perfect Keto, are at a combined $100 million-plus run rate per his website.

“he says he's at $100 million plus run rate for his two products, for Kettle and Fire and Perfect Keto.”