This one is called sample freak
I have visited the site and it does have some samples along with sweepstakes and prizes.

I recently visited a site called frugal shopping with Julie. There are coupons and giveaways. I recently entered a give away for Nature's Gate Organics which I hope to win.

Here is a site called Mummy deals. If you click on the link you can win a Betty Crocker baking basket.