Brand: especially for electronic goods Price Delivery(for big electronic goods like TVs and air conditioners) Service (Especially after the goods were sold)

Well, that surely depends on what you are buying..right?

Feature, Usefulness, function, price, quality

price , quality , reputation of brand , of course when you buy big facility such as air condition, you have to consider after service,whatever, where to buy a quality in low price is really need to get more info and to be in meticulous comparion. when I was kid ,mom told me we were comparaing the price ,the higher the glorious ,while in their book,the lower the glorious