The smarter Costco trip
Costco shopping guides
What a sale really saves you, which bundle you are buying and what to do when the price drops after checkout.
Before your next Costco run
How to compare Costco sale history
A bigger discount is not always a better buy. Compare the same pack, work out the unit price and decide whether to wait.
How to read Costco price tags
Read the item, sale dates and limits, plus the dated explanation behind .97, .00 and the asterisk.
Costco online vs. warehouse prices
Check the same item, package and fulfillment method before deciding which price applies.
How to match a Costco item number and package
Find an item number on a shelf tag, product page or receipt, then match the model and pack.
Ninja SLUSHi models at Costco: FS305CO and FS605
Compare the 96-oz FS305CO with the MAX FS605, including cups, Shop Card offers and the Same-Day listing.
How to check Costco stock before you go
Find the item number and contact your warehouse before making a trip.
App in development
Price drops after you buy?
CostChirp’s app is in development. It will help you check prices after a Costco purchase and spot a possible price adjustment. Costco reviews and approves requests through its own process.
About the appNot available to download yet. Eligibility depends on Costco’s policy and your purchase.
Purchase price checkPotential adjustmentCheck eligibility
Illustration only. Costco determines approval.