This guide helps you sell products at the right time and with the most money.
For each game difficulty, there is an average selling price which is taken from the game files, with a multiplication factor based on the best month to sell,
and a +20% max bonus for base products and +5% max bonus for productions found through extensive testing on my side. Please report higher numbers if you see them. Just leave a comment in this document.
More details I leave here the links “click on the names”: