CAC (Customer Acquisition Cost) is calculated by dividing total advertising and marketing spend by the number of new paying customers acquired within that specific period: CAC = Total Marketing Ad Spend ÷ Total Customers Acquired. For an Indian D2C streetwear brand spending ₹30,000 on Instagram and Meta Ads to generate 100 sales, the CAC is ₹300 per customer. Scaling a profitable clothing brand requires keeping your CAC significantly lower than your Gross Profit per order.
The Interplay Between Product Quality and Ad CAC
Many fashion entrepreneurs view advertising as an isolated metric. In reality, product quality directly dictates advertising CAC.
When your brand sells premium 240 GSM combed cotton t-shirts that fit impeccably, customers tag your brand on Instagram, write glowing reviews, and recommend you to their friends. This organic word-of-mouth creates a virtuous cycle: it lowers blended CAC and drives your LTV:CAC ratio above 4:1.
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