SuperNode Blogs

Practical, operator-written guides — with worked numbers, not platitudes — on marketplace economics, fulfilment, delivery and returns for Indian D2C and commerce brands.

Isometric row of cubes where only some are solid, showing buyable days versus calendar days

26.7% demand under-read

Amazon · Inventory Intelligence

Your Amazon Sales Velocity Is Probably Wrong

Calendar-day velocity hides the demand lost to stockouts and suppressions. The buyable-day metric that should actually drive your reorder decisions.

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Isometric balance beam weighing a fast parcel against a stack of coins

Break-even in ~5 minutes

D2C · Logistics Economics

Free Delivery Is Not Free

Same-day and air shipping feel like a customer-experience win. Here's the break-even conversion math that decides whether it's actually a contribution win.

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Isometric waterfall chart with one disproportionately deep drop in contribution

24.4% contribution hit

Returns · Contribution Economics

Why a 5% Return Rate Can Reduce Contribution by More Than 20%

Return rate is a frequency metric — the P&L feels a rupee number. The formula that turns "5% returns" into its real contribution impact.

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One origin node branching into three fulfilment routes of different scale

Amazon · Fulfilment

Amazon FBA vs Seller Flex vs Easy Ship: What Should Your Brand Choose?

A practical fulfilment decision guide for Indian D2C, beauty, wellness, personal care and consumer brands — with a six-input scoring matrix and 30-day action checklist.

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Coming Soon

Marketplace Ops

Reducing Marketplace Leakage: A Reconciliation Playbook

Coming soon.

Coming Soon

Compliance

GST & APOB for Multi-State Fulfilment: A Founder's Guide

Coming soon.