ToplineMaintaining or buying a membership for Costco will soon become more costly, as the bulk retailer announced Wednesday its membership fees will increase at the start of September, in its first price hike since 2017.The change goes into effect Sept. 1. (Photo by Toby Scott/SOPA Images/LightRocket via Getty Images)SOPA Images/LightRocket via Getty Images Key FactsCostco’s Gold Star Membership and Business Membership will jump from $60 to$65 per year in less than two months, while the Executive Membershi ...