Also, prioritize the phases of your project. You can always add on. For example with my recent duck project, most important was secure duck house they could be locked in overnight when predators are most likely to strike and temperature is coldest. They had a temporary fenced area in my garden (not predator proof) that was not being used since it was winter. Next phase was their permanent fenced run, I fenced it in a way to keep the ducks in, more predator proof than the garden, but not perfect. Next phase I will be adding fencing over the roof/top to protect from hawks. After that I will be adding my skirt to deter diggers. So right now their enclosure isn't perfect, but I can add to it/modify it over time to make it better and spread the cost out over a few paychecks or give me time to find more materials. Oh, another small example, I screwed the door shut for like a week until I could find and/or purchase the ideal latches. It worked in a bind and bought me some time. Turns out I was right and did have a latch buried in my box of random hardware at home and I didn't have to spend $7 on a new one (it all adds up). The next thing I'm hunting for is a better door handle for the human door. Oh, and shingles and paint are coming down the line as well. I think I have enough salvage shingles from when the neighbor got a new roof for at least half the duck house, so I need to scrounge up a few more. A chicken coop doesn't need a lot of shingles so you can likely buy damaged packages discounted at the hardware store or get enough from a re-roof project in your area, just ask one of the workers on a day when a dumpster is there.