What Did You Pay to Fill That Chair?
By Daniel Angerer | Restaurant Business Architect | 3-minute read
You paid to get them through the door. Did you make anything once they sat down?
The campaign looked great. Beautiful food photography. Plenty of clicks. Your marketing report arrived wearing its best numbers. Unfortunately, you cannot deposit impressions.
Restaurant marketing needs to answer a harder question: what did it cost to acquire a new paying customer, and did that customer become profitable?
Put a name on the number
It’s called Customer Acquisition Cost, or CAC. In hospitality, think of it as your guest acquisition cost.
The basic formula is:
Acquisition-related sales and marketing costs ÷ new customers acquired.
Include the relevant advertising, creative work and agency costs. If you count only the advertising bill, call it advertising cost per new customer—not your full acquisition cost. Source: Shopify’s CAC guide
The $20 guest
Here’s an illustrative campaign, not an industry benchmark:
Campaign expense | Cost |
Advertising | $700 |
Photography and creative allocated to the campaign | $200 |
Campaign management | $100 |
Total | $1,000 |
If that campaign produces 50 verified first-time paying customers, acquisition costs $20 per customer. If it produces 50 clicks on “Reserve,” you don’t know your acquisition cost yet.
A click isn’t a booking. A booking isn’t an arrival. And an arrival isn’t necessarily a new customer.
One person reserving for four doesn’t automatically mean four newly acquired customers, either. Count consistently.
The check doesn’t tell the whole story
Suppose one of those customers places a $35 takeout order. Ingredients, packaging, payment fees and other variable fulfillment costs total $15.
That leaves $20 in contribution before acquisition spending and fixed overhead.
Subtract the $20 acquisition cost. Nothing remains from that first order to help cover fixed overhead.
A second comparable order, without another acquisition expense, contributes $20 toward those costs and eventual profit.
That doesn’t make the campaign bad. It makes the return visit essential.
And if you offered a discount, calculate revenue after the discount. Don’t count the same discount again as a marketing expense.
Build a system, not a prettier report
OpenTable’s marketing tools support tracking reservations and seated covers. Google Ads also distinguishes qualified leads from customers who complete a defined conversion. The principle is simple: measure the business outcome, not just the activity leading up to it. OpenTable · Google Ads
For each campaign:
Identify the source: Use a campaign booking link, offer code or a consistently recorded “How did you hear about us?”
Confirm the purchase: Reconcile bookings with arrivals and orders with completed payments.
Check whether they’re new: Use available reservation or POS history, recognizing that records can be incomplete.
Review the next 90 days: Track repeat purchases and cumulative contribution after acquisition spending.
Attribution is imperfect. A tracked booking doesn’t prove the guest would never have visited otherwise. Compare results with your normal business before declaring victory.
Marketing earns the introduction. Operations earn the return.
You can target the right neighborhood, photograph the perfect dish and write a brilliant ad.
Then lose the guest with a cold welcome, an inconsistent plate or a lunch that takes their entire lunch break.
Buying traffic into a broken experience is an expensive way to introduce people to the problem.
As a Restaurant Business Architect, I connect marketing spending with menu economics, service standards and the operating routines that earn repeat visits.
Spending on marketing without knowing what comes back? Let’s review your acquisition costs and the guest journey together. Connect with Daniel Angerer.
Filling the chair is the beginning. Earning the next visit is the business.
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