Ingredients:
Glycerin 0.2% , Hypromellose 0.2% , Polyethylene Glycol 400 1% , Ascorbic Acid , Dextrose , Disodium Phosphate , Glycine , Magnesium Chloride , Potassium Chloride , Purified Water , Sodium Chloride , Sodium Citrate , Sodium Lactate , Sodium Phosphate
98% Water.
That makes gasoline at $3 a gallon seem pretty cheap to me. I don't see anything listed in the ingredients that there's a shortage of and I don't think the packaging can add that much to the price.
Cross-posted from the Bullwinkle Blog.