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Prabhat Karn

Founder & Editor, Trendifico

I build free calculators for online businesses and write research-backed guides on ecommerce, crypto, SaaS, marketing, AI and the creator economy.

About me

I started Trendifico after running my own online store, where I saw how much small numbers decide whether a business works: shipping costs, ad spend, margins and cash flow.

Today I build free tools for founders, store owners, creators and investors, and I write guides that explain the numbers behind them in plain English.

Every guide on Trendifico is researched from primary sources such as government data, official platform documentation and named industry studies. Every source is linked, so you can check it yourself.

How I research and fact-check

  • I use primary sources wherever possible: government statistics, official platform documentation and named industry studies.
  • Every figure links to where it came from. When sources disagree, the article says so instead of picking the most dramatic number.
  • Every calculator is tested against the standard formula before it goes live.
  • Each guide shows when it was last updated, and I review guides when platforms change their rules, fees or rates.
  • Spotted a mistake? Email queries@trendifico.com and I will correct it.

Articles by Prabhat