The freedom to step back is the first payoff — but it's not the only one. When you do decide to sell or hand off, a buyer values your business on a multiple of its earnings, and that multiple moves on how much of the revenue survives your departure. Owner-dependent revenue trades at a discount; a transferable engine trades at a premium.
Two of the companies I built were acquired for exactly that — the revenue repeated without the founder, and buyers paid up for it. On a business doing eight figures, a single turn on the multiple is worth millions, more than years of operating margin. It's measured against your sale price, not your lead volume.