Dropshipping Home Goods Customer Acquisition Cost in Singapore: What You Can Afford

What Belongs in Customer Acquisition Cost

Customer acquisition cost (CAC) is the cost of winning one new customer. Include paid media, affiliate or referral commissions, acquisition-specific creative, and agency or freelancer fees. Include a first-order discount only if you have chosen a fully loaded acquisition measure; otherwise treat it as a reduction in revenue. Exclude product cost, fulfilment, shipping, refunds, and general overhead from standard CAC. If you include any of those, name the measure clearly rather than calling it CAC.

Channel CAC divides a channel’s attributable acquisition costs by the new customers it generated. Blended CAC divides total acquisition costs by all new customers in the period, including customers whose source is unknown. Channel CAC helps decide where to allocate spend; blended CAC is the right operating check on the whole store. Keep the denominator consistent and use the same trading currency. Use the CAC calculator to test both definitions. ORVX can bring advertising spend alongside Shopify revenue and show customer-level profitability, but the interpretation still depends on the costs you include.

Use First-Order Margin as the Hard Ceiling

Your first order sets the hard ceiling for customer acquisition cost. Calculate the contribution available before advertising: realized first-order revenue minus product cost, fulfilment and shipping costs you absorb, payment fees, refunds and other order-level variable costs. That amount is the most you can spend to acquire the customer without losing money on order one. If it is negative, the order has no tolerable CAC under a first-order payback rule; changing the ad channel cannot fix negative unit economics.

Read the worked example by separating money collected from money retained. Use delivered-order revenue, not cancelled or returned sales, and keep tax treatment consistent. The CAC calculator can check the arithmetic; ORVX can calculate delivered revenue, model product cost, and report contribution after advertising at product and collection level.

How Repeat Orders Change the Limit

A higher CAC than first-order contribution alone is justified only when future value reflects observed behaviour: first-order contribution is proven; repeat rate, future order contribution, timing and returns remain estimates until supported by cohorts.

Example: a delivered first order contributes S$18 after product cost, refunds and variable fulfilment costs. A comparable cohort shows a later delivered order contributes S$12 and 30% placed one: S$12 × 30% = S$3.60, so the evidence-adjusted CAC limit is S$21.60 before a third order; if repeat rate is assumed, S$18 remains safer.

Model retention scenarios separately: 20% adds S$2.40; 40% adds S$4.80. Use realized revenue from delivered, not cancelled or returned, orders; deduct refund value and relevant costs. ORVX shows customer-level profitability and repeat behaviour. Use the CAC calculator to model scenarios, not to treat unproven forecasts as recovered margin.

Read the Worked Example as a Decision Rule

Break-even CAC is the maximum acquisition cost at which an order contributes no profit after included costs; above it, the example is unprofitable despite strong revenue or attributed ROAS. Target CAC is a lower allowance for error, returns, fulfilment variation, overhead and required profit; if repeat-order evidence is included, it may reflect customer value over the stated period, not available cash.

Payback timing is the time for later-order contribution to recover acquisition spend. Use break-even CAC to reject uneconomic acquisition, target CAC to plan acceptable buying, and payback to assess cash-flow exposure. Recalculate when revenue, costs or repeat behaviour change. The CAC calculator uses the same inputs and definitions.

Compare CAC by Channel Without Mixing Definitions

Do not compare Meta platform-reported CAC with blended store CAC. Platform-reported CAC divides spend by reported customers or conversions under its attribution rules; attributed CAC assigns costs and new customers to Meta, Google, creators or affiliates using yours; blended CAC divides total acquisition costs by all new customers, including organic or unattributed. Use these for ad-account delivery, consistent channel comparison and total store economics, respectively. Include creator, affiliate, content and staff costs; organic CAC is not automatically zero. Align dates, new-customer definition, currency, refunds and attribution window. Track MER separately from attributed ROAS; use the CAC calculator only after choosing a definition.

Turn the Number Into Operating Limits

Set three campaign bands in your CAC calculator: target CAC below the level that leaves required contribution; review CAC where delivery and repeat behaviour need investigation; and stop CAC above maximum first-order contribution, using actual selling price, product cost, payment costs and returns. Use contribution after advertising, not revenue or platform-reported ROAS: S$24 before advertising leaves S$6 at S$18 CAC, while S$27 breaches the first-order limit. Review pacing daily, but make scale, reduce or stop decisions on seven days unless volume is too low. If first-order CAC is acceptable but lifetime CAC is not, reduce spend or fix retention economics. If repeat cohorts repay a first-order gap, keep controlled tests. Recheck monthly, separating delivered orders, cancellations and returns; use customer repeat behaviour and product contribution to set thresholds.

A sustainable CAC is not a market average or a fixed benchmark. It is the amount your store can pay while preserving the contribution margin and cash recovery period you require. Use first-order CAC to protect immediate profitability, lifetime CAC only when repeat-purchase evidence supports it, and keep channel comparisons consistent enough to guide budget decisions.