boatme, buy by the case and stock your cellar. Make fewer trips and always ask for a discount from the retailer.

Anybody buying wine, whether it is by the bottle or case ought to ask for and receive a discount. Most reputable retailers will discount up to 10% if you just ask.
Price matching is a good way to save a buck or two also. If your retailer will not price match you ought to find somewhere else to buy.

 
 
"There is no end to the observations on the difference between the measures likely to be pursued by a minister(read politician)backed by a standing army and those of a court awed by an armed people"