๐Ÿฅฆ Grocery is the hardest fulfillment math in e-commerce

PM Grocery Tech
(India Edition)

Grocery tech PMs solve a fulfillment problem general e-commerce doesn't face: users want their specific brand rather than an alternative, so SKU depth, fill rate, and graceful substitution when items are out of stock matter more than catalogue breadth. Fresh and frozen require separate operations, basket size and order frequency beat AOV, and quick commerce is squeezing scheduled delivery toward hybrid models like BigBasket Now.

By Naman Goyal ยท Product manager ยท Builder of PM Streak ยท Updated July 3, 2026

5 dynamics and 5 metrics for grocery tech PMs.

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5 Dynamics

1.

SKU depth beats catalogue breadth โ€” users want their brand, not an alternative

2.

Substitution UX matters โ€” out-of-stock is frequent; replace gracefully

3.

Fresh and frozen are distinct operations โ€” don't mix them in ops

4.

Basket size over AOV โ€” groceries are routine; increase frequency and depth

5.

Quick commerce is eating scheduled delivery โ€” BigBasket had to adapt

5 Metrics

1.

Fill rate (% of ordered SKUs actually delivered)

2.

Substitution acceptance rate

3.

Average basket size and order frequency

4.

Freshness / quality complaint rate

5.

Repeat rate at 60 days

FAQ

Is scheduled grocery delivery dying in favor of quick commerce?

Not dying, but shrinking share. Large baskets and monthly stock-ups still fit scheduled; top-ups and impulse buys go to quick commerce. Hybrid models (Instamart, BigBasket Now) acknowledge this. Pure-play scheduled grocery is being squeezed from both sides.

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