I have recently wrote to YoCrunch Yogurt telling them how much i love their yogurt and they sent me a few coupons.
http://www.yocrunch.com/contact-us
I have also wrote to Tampico Punch telling them how much i love there punch and they sent me 2 free product coupons http://www.tampico.com/
I have also written to Nivea telling them how much i love their lotion and they sent me 2 small lotions samples and two $2,00 off coupons http://www.niveausa.com/about-us/beiersdorf/contact-us
I have also wrote to Herr's and they sent me a few 35 cents off coupons http://www.herrs.com/ContactUs.asp