The Washington Post’s Geoffrey Fowler tracked prices before and during Amazon’s recent “Prime Big Deal Days” and found the savings to be paltry: on a group of nearly 50 products he’d bought on Amazon over the past six months, he would have saved just 0.6% if he’d bought them during Amazon’s high-profile sale. And those savings, Fowler points out, don’t factor in the annual $139 Prime membership fee.

In a number of cases, some big-ticket items like TVs were actually more expensive during the e-commerce giant’s much-hyped discount days than they are normally.