You can reduce your risk by initially setting a limit of $10 rather than $20 but if you are not comfortable with a little risk and taking a small loss of some of the bottles you buy then this is a sub-niche you should avoid. Here are some additional general hints & tips to remember when purchasing these bottles...Never buy a bottle that has any chips or cracks no matter how small or seemingly insignificant. The condition of the Pyro-Glaze design is extremely important - avoid any bottles that have chipped faded or scratched Pyro-Glaze as well. These bottles were to be used and then returned to the dairy where they were cleaned and reused. After extended use and cleaning some developed numerous small scratches to the glass. You should avoid bottles that exhibit severe scratching.
Over the years I have found that on average for every (10) of these bottles I purchase I will get the following results: Three of them will sell for hefty prices that allow me a profit of $100 to $150 or more each Five of them will sell for prices that allow me a profit of $20 to $100 each Two of them will sell for prices at which I either break even or loose $10 to $20 each As you can see there are times when I loose a small amount of money on some of the bottles I purchase. However I m willing to take those losses due to the much larger profits I make on some of the others. In the end I make money overall. It is important to understand that if you are going to take some small losses on some of the bottles you buy if you choose to get involved in this eBay sub-niche.
Normal milk contains 0.1% whereas colostrum contains 6 %. Milk fat The digestibility of milk is comparatively higher than other oils and fats. This can be attributed to existence of fat globules in aqueous phase forming an emulsion. This facilitates its easy absorption through the intestinal tract when compared to other fats which have to be emulsified with bile salts enzymes from pancreas and fat splitting lipases. Endowed with short and medium chain fatty acids milk fat can be easily absorbed when compared to long chain fatty acids because of the ability of the lipases to split the ester bonds in the former. Supplementation of milk fat in the diet increases the energy density. When compared to human milk the cow milk is low in essential fatty acids such as linoleic and linolenic acids.