Costco is teaming up with Novo Nordisk to strengthen its healthcare services, positioning itself as a leader in affordable pharmacy options in the U.S. The retailer, which controls 16% of the hearing aid market, is also providing enticing financial incentives for executive members, including a 2% annual reward on qualified purchases. Additionally, new lower pricing on a variety of products and the introduction of SameDay grocery delivery emphasize Costco's ongoing commitment to value and customer convenience.