While lysine in the diet is considered safe, excessive doses may cause gallstones. There have also been reports of renal dysfunction, including Fanconi syndrome and renal failure. Talk to your doctor before taking supplemental lysine if you have kidney disease, liver disease, or if you are pregnant or breastfeeding.
Well I dont know about off premise sales, but on premise runs about like this...these are the general cost of sales numbers. Liquor 13%-17%. Beer (bottles)26%-31%. Beer (draft) 18%-26%. Wine-30%-47%. So the gross margin would be the reverse. Liquor 83%-87%.
Now consider a liquor store is 3-4 times bigger your looking at $12-15,000 a month just for a strip mall liquor store. Add on top of that CAM fees which are maintenence related fees such as garbage, snow removal, painting, etc. which are $8,000 a year and that is why there are very little profits to be made.