[sdfgdfghj]

Assuming you can sell the whole of your inventory in 1 month, re-invest all income and do the same for the next month?

Also assuming the margins are after all expenses? Isn't Amazon FBA taking like 30% cut?

[dhruvkar]

Doesn't have to be a physical product.

Informational, educational, software products through affiliates are also targets to run paid ads against.