Walmart is always giving away lots of free samples, free trials and a few free songs. They've got them all listed in one convenient location
Walmart.com - Free Samples & Trials
Current giveaways are:
This week’s free song:
Charlotte Sometimes – Losing Sleep
Free Samples:
NIVEA for MEN Extreme Comfort Shaving Gel Clairol Perfect 1O by Nice ‘n Easy Playtex Personal Cleansing Cloths MultiGrain Cheerios Old Spice Body Wash Playtex Gentle Glide tampons
They update the page often so check back every day or so for more freebies!