Over time this will help you remember and identify wines easier and much more accuracy. A domestic glass wine bottle producer will sell in instances of bottles for $8-11 per case or by looking at China an incident of bottles could cost $6 if purchased in sufficient fullness. https://zenwriting.net/antbeggar2/mot-chung-loai-cognac-mang-den-cam-giac-say-dam-manh-me-no-the-hien-su-song