I Have Some Questions

You could always sell eggs and chicks for money I sell for $2.00 a dozen which is pretty cheap. We made a coop because we found it cheaper than to buy one and used many peoples left overs for supplies. I get my chicks at my local feed store along with feed. if you want a high producing egg layer try a breed like Rhode Island Reds. If your looking to sell eggs buy chicks as soon as you can because its takes a while before they will start laying.
Another option is razing hens for meat and selling the meat which honestly I have never done but most likely will this year I will. Breeds good for this are Cornish hens and dual heavyweight breeds.
If a feed store does not carry what you would like try contacting your local 4-H group. Many times they can give you extra supplies and contacts.