That fact makes investing in the stock market an attractive option when you're looking to protect against the slow but steady loss of purchasing power that inflation creates. Innovations like fabric beads and unit-dose laundry detergent (Tide Pods, for example) have helped P&G grow sales by more than its fair share through the pandemic. Considering that Costco's renewal rate is sitting near a record-high 91% today, the chain should have no issues selling its next increase to that loyal shopper base.