You can get a FREE K Cup sample at WalMart! To get these WalMart FREEBIES, follow this link and click ‘Get a FREE K Cup Sample‘ under the main heading. Then, images of K Cups will pop up and you have to click the yellow ‘FREE SAMPLE’ button. Enter you mailing info and answer a few questions. You should receive your FREE sample in the mail within 3 to 4 weeks. This offer is limited to one per household, and it is only open to U.S. residents.