Overall, this review of packaging cost for wine has factors assumptions: a boutique winery with a run of 500 cases and not them owning the bottling equipment.
Why should you buy another fridge unit just for the wine? For example, you don't need to saute your vegetables in a 1/4 cup of oil or butter. https://Pittman-Bryan.Technetbloggers.de/cognac-richard-hennessy-700ml-boutique-cellar