A lot of the questions I get asked are about the cost of a bottle of wine.  What makes a $40 wine worth $40?  Is a $50 wine twice as good as a $25 of wine?  How come two buck chuck is so cheap?   Let me first talk about the cost of wine.  A lot goes into the cost of a bottle of wine.    Chateau Margaux - One of the most expensive wines in the world. First off the land that the grapes grow on impacts the price .  Using California as an example, a n acre of land in Napa will cost several times what an acre of land in Livermore County costs.  The taxes on that land are also much greater .  That additional cost works it's way into the price of the wine.    The cost of the grapes works its way into the price of a bottle of wine.  Because they are co nsidered some of the best grapes in the world grapes grown in Napa are some of the most expensive grapes in the world.  Because they don't have mu...