Apple.com/education/itunesu offers college course lectures from top universities for anyone who didn’t have “the bucks for those big tuition bills.” Click on “Visit iTunes U in the iTunes Store” to skim the available options.

Walmart.com often makes samples of new products available to customers. Load up on trial sizes of everything from Dove hair products to Huggies diapers. Go to “In Stores Now” on the home page and then click on “Free Samples.”

Popcap.com provides “no-cost” videogames. The site offers a solid mix of puzzle games and arcade favorites while keeping personal data private and pop-up ads out of your face. Click on the “online” button to play for free.

Source: Shop Smart