In this tutorial we're going to cover how to buy Monero, for cash by mail on the Haveno Decentralised Exchange. This was the most popular payment method back on LocalMonero, due to being an improvement over bank transfers (like SEPA in the EU) when it comes to trading larger volumes in the long run, as Cash cannot easily be traced by adversaries unlike bank transfers, making Cash by Mail one of the most private ways to exchange real world money for Monero.
Well, I can tell you one thing you missed in your description here, and that's that you called what you have in cash that you send somebody money. Monopoly money, maybe.