Besides the perk of getting something fun in the mail, free samples are typically accompanied by an awesome coupon so that if you like the product you can buy it at a pretty good discount.
Here are some awesome websites that will help accumulate current free samples so you can sign up for a bunch at once:
Usually all you have to do to get your sample is type in your name, address (so they know where to send it), email address (I use a junk one) etc. Occasionally you will be directed to like the company on Facebook.
Have fun stockpiling your samples!
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