We work together http://eporner.in.net/ eporner com In order to assemble our list of the top 10 McDonald’s flops, we took into account the cost of the (unsuccessful) advertising campaign, the lack of commercial success of an item, as well as the duration of which the particular product or promotion existed. So the least successful of the lot were ones that not only came and went quickly, but wasted plenty of the company’s money as well.