Of the many benefits that come along with raising
chickens, there are a number that can actually effect your wallet. Chickens cost you feed, bedding and the occasional meds for keeping your flock as well as other rare costs. For the most part they are such a giving species. You will find that they pay for themselves rather quickly. You will find benefits in not just eggs but, waste, compost and also meat if you choose to butcher these birds at some point.
Assuming you only have laying hens you will still reap the benefits. The article also gives some grave warnings about free ranging your flock and allowing it to exist amongst the predators. This could be mistake that cuts into the money you could be savings. Hens do lots of great work but they are a little costly to replace.