How being supported when investing in wine?

When one is interested by investing in wine and create a patrimonial wine cellar, it might seem complicated. Is is better to purchase wines by oneself? Choosing a company to do it for me? What should I control? Thomas Hébrard answers theses questions in the below article (only in French). janvier 2021-50000000348423824[1] copie janvier 2021-50000000348423824[1]