Every trade transaction is subject to tax. Illegal trade is prohibited. As for personal relationships, that's your business. The main thing is to comply with the city laws.
You are always right, my king. But there was no deal tonight. No one sold anything to anyone. We only concluded an agreement, according to which I acquired the RIGHT, but not the hides of the lizards. And I comply with the laws, I pay taxes regularly. You can check the reports at any time...