Your numbers

Just last 12 months. Estimates are fine.

Lifetime value inputs

$
/yr
Restaurant regular: 12–52. Retail loyal: 6–24.
yrs
%
Gross margin after variable costs. Restaurant 55–70%. Retail 30–50%.

Acquisition cost inputs

$
First-time-ever customers, not repeats.
LTV — Lifetime Value
contribution profit per customer, over their entire relationship with you
Max CAC at 4:1
what you could spend to acquire one new customer and still hit a healthy 4:1 LTV:CAC
Current LTV : CAC ratio

Behind the LTV number

Annual revenue per customer × margin × lifetime.

Annual revenue per customerticket × visits
Annual contribution profitannual revenue × margin %
Lifetime customer revenueannual revenue × lifetime years
Lifetime contribution = LTV
From the book — chapter 4 "If you don't know your LTV, you're not making marketing decisions — you're making bets. The Capitalist mindset isn't about being clever. It's about knowing exactly how much you can pay to win a customer, then paying it without flinching."

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