We're tracking 45 Costco items, from bacon to motor oil. Prices have stayed surprisingly steady so far.

Expensive gas has more US shoppers heading to Costco, where prices inside the warehouse are holding steady so far. Kevin Carter/Getty Images Business Insider has been tracking 45 key products at Costco to see the impact of higher energy costs. The US and Israel's war with Iran earlier this year sent the oil market reeling. The change has been small so far, but comments from Walmart suggest the steadiness might not last. US households have spent much of this year waiting for the other shoe t...