Freebies
Here are a few of the free sites that really send the stuff.
Use the list on the left to find the area you are wanting, like pets, food.
http://www.thunderfap.com/
http://www.shop4freebies.com/?gclid=CJjxqIS04JQCFSY1agodJ0TwSQ
http://www.freebiesreward.com/index.php?cat_id=3&cat_name=Samples...