Open

Return on Ad Spend (ROAS) vs. Fulfillment Cost: The Hidden Link

23 September 2025

by Edgistify Team

Return on Ad Spend (ROAS) vs. Fulfillment Cost: The Hidden Link

Return on Ad Spend (ROAS) vs. Fulfillment Cost: The Hidden Link

  • ROAS alone can mislead; without factoring in fulfillment costs, margins shrink.
  • Data shows a 12% rise in fulfillment cost erodes 18% of gross revenue.
  • EdgeOS + Dark Store Mesh slashes delivery time & cost by 35%, turning ROAS into real profit.

Introduction

In India’s e‑commerce arena, brands chase higher ROAS—return on ad spend—through aggressive paid media on platforms like Google Ads, Facebook, and TikTok. Yet, the surge in ad spend often coincides with a spike in fulfillment costs: warehouse labor, last‑mile logistics, and reverse‑logistics for COD (cash‑on‑delivery) returns. If a retailer in Mumbai runs a campaign that yields a 5× ROAS but sees fulfillment costs climb from ₹8 to ₹12 per order, net profit collapses.

The hidden link between ROAS and fulfillment cost is especially stark in Tier‑2/3 cities—Guwahati, Indore, and Jaipur—where delivery distances are longer, COD is preferred, and return‑to‑origin (RTO) rates are high. Ignoring this link can make a campaign look profitable on paper while draining cash flow.

The Data Landscape

MetricMumbai (Tier‑1)Guwahati (Tier‑2)Indore (Tier‑3)
Avg. Order Value (AOV)₹1,200₹950₹1,050
Fulfillment Cost per Order₹8₹12₹10
COD % of Orders30%55%45%
RTO Rate4%12%9%
Median Delivery Time1 day3 days2 days

The table demonstrates that while ROAS targets are uniform across regions, fulfillment costs vary dramatically. Even a modest increase in fulfillment cost can negate the gains from a high ROAS.

Problem–Solution Matrix

ProblemImpactTraditional FixEdgeOS‑Enabled Fix
High last‑mile cost (fuel, labor)↑ Shipping cost → ↓ Net marginUse cheaper couriersEdgeOS optimizes route & load, reducing mileage by 20%
COD & RTO inefficiencyCash flow delays, inventory tie‑upsCentralized returns hubDark Store Mesh places micro‑warehouses near high‑COD areas
Long delivery windowsCustomer churn, high return rateFaster courier contractsNDR Management predicts no‑delivery risk, reallocating resources

EdgeOS: The Smart Dispatch Engine

EdgeOS integrates real‑time traffic, weather, and courier capacity data. By dispatching orders to the nearest capable driver, it cuts average delivery distance by 18% and speeds up fulfillment timelines, directly lowering fulfillment cost.

Dark Store Mesh: Decentralized Fulfillment

Instead of a single large warehouse, Dark Store Mesh deploys small, strategically located fulfillment hubs (e.g., in local malls or auto‑rental spaces). These hubs reduce average delivery distance, lower labor costs, and boost same‑day delivery rates—critical for COD‑heavy markets.

NDR Management: No‑Delivery Risk Mitigation

NDR (No‑Delivery Risk) Management uses predictive analytics to flag high‑risk deliveries (e.g., remote villages, low‑attendance households). By pre‑emptively reallocating resources, it prevents costly failed attempts, thus lowering fulfillment cost and improving customer experience.

How ROAS and Fulfillment Cost Interact

  • 1. Gross Revenue = ROAS × Ad Spend
  • 2. Net Revenue = Gross Revenue – Fulfillment Cost × Order Volume
  • 3. Net Profit = Net Revenue – Other Operating Costs

A 5× ROAS on ₹10,000 ad spend yields ₹50,000 gross revenue. If fulfillment cost is ₹12 per order and 4,000 orders are shipped, the cost is ₹48,000—leaving only ₹2,000 before other costs.

Key Insight: For every ₹1 increase in fulfillment cost, a 5× ROAS campaign loses ₹12 of gross revenue per order.

Strategic Recommendations

StepActionToolsExpected Outcome
1Map high‑COD regionsEdgistify AnalyticsTargeted ad spend to low‑COD markets
2Deploy EdgeOS dispatchEdgeOS18% reduction in last‑mile cost
3Implement Dark Store Mesh in Tier‑2/3Dark Store Mesh35% drop in fulfillment cost, 2× same‑day delivery
4Integrate NDR ManagementNDR12% reduction in failed delivery attempts
5Re‑calculate ROAS excluding fulfillment costROAS CalculatorReal profit margin visibility

Conclusion

ROAS is a vital metric, but treating it as the sole indicator of success is a costly mistake in India’s diverse e‑commerce landscape. By integrating EdgeOS, Dark Store Mesh, and NDR Management, retailers can transform high ROAS into sustainable profit, especially in COD‑heavy Tier‑2/3 markets. The hidden link between advertising spend and fulfillment cost is now clear: optimize both arms of the funnel, and the margins will follow.

FAQs

We know you have questions, we are here to help