2017-9-1 · investment cost. However, the investment costs increase at a decreasing rate. The largest difference among winery sizes was between the 2,000 and the 5,000 case winery. Per case investment costs for the 2,000 case winery were $280.45. The 5,000 case winery had investment costs of $162.01, a difference of $137.84 per case for the two wineries.