It all depends on the market in your area. I live way out in the country and am surrounded with commercial chicken houses. $1 a dozen is all my market will pay. It doesn't even cover the cost of feed but it is enough to help especially since the majority of my layers free range and so I save some on feed. But some folks who live close to the city or have a specialized market or farmers market can get up to $3 a dozen or more. Ask around to some of the people you would want to sell to, like neighbors or friends, and ask what they would be willing to pay. Or check out your local farmers market and ask what they sell theirs for.