Cool Costco Samples Days References. While it was a sad day when that announcement came, it was. Web costco has samples available every day of the week… i think they start around 11:00, and end around 7:30.

The peak hour for sampling, when all the shifts are out on the floor, is between 1 pm and 2 pm. Now you won’t need to wait for a worker to serve up the sample to you. Once again, you can make a meal of complimentary ritz crackers with proprietary cheese spread and free.