I want to...

A lot of the blogs I frequent are Mommy Money Saving sites like AThriftymom.com and Couponing101.com. Alot of these sites do review/giveaways where a company will send them a product, they'll review, and then give one away to one lucky reader. I really want to get into this, but have no clue how... Does anyone have any advice on this? Leave me a comment on this post!