[threeseed]

This is completely wrong.

Supermarkets, departments, hardware, chemists etc. in every country is dominated by 1-3 chains who have the capital and time to extinguish any competition. And it's been this way for a century or more.

In the online world every sector has anywhere from hundreds to tens of thousands of competitors not just locally but from around the world.

To setup an online store you just need Shopify, supplier and a few thousand for ads. For a physical store you need tens of thousands for fit out and leasing.