What changes what you keep
Guides on the things that change what an Indian seller keeps: GST 2.0 slab rates, the e-invoicing threshold, marketplace fee changes, and how to work out a real profit margin rather than a gross one.
- GST· 5 min read
GST 2.0 slab rates explained: 0%, 5%, 18% and 40%
GST 2.0 replaced four slabs with four different ones from 22 September 2025. The 12% and 28% slabs are gone and a 40% slab now applies to luxury and sin goods. What it means for your billing software.
- Compliance· 4 min read
E-invoicing limit in 2026: the ₹5 crore rule, and the part people miss
E-invoicing under GST is mandatory above ₹5 crore aggregate annual turnover. The catch is that crossing it once, in any year since FY 2017-18, is enough - and dropping back below does not release you.
- Profit· 6 min read
How to calculate your real profit margin (not the one you think you have)
Revenue minus cost price is gross margin, and it is the number most shop owners quote. Real profit needs the rest: marketplace fees, shipping, returns, ads, rent and salaries, in the same period as the sales.
- Marketplaces· 4 min read
Marketplace fees in 2026: what changed on Amazon and Flipkart
Both marketplaces cut fees on low-priced products in March 2026. If your fee assumptions are older than that, your margin per product is wrong in the direction that feels good.
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