Discover This Week’s FREE Samples. Freeosk is offering FREE Member’s Mark Better Nut Bar, Cottonelle Wipes & DUDE Wipes – Fragrance Free at Sam’s Club locations from 10/13/2023 through 10/19/2023. If you want to get this freebie, click on the “Get FREE” button, find a location near you and head out to the store. Download the Freeosk app for Android or iPhone so you can redeem the samples at the Freeosk location.