Little Deuce Coop
Our family decided to reduce the size of our flock from 7 hens down to 2 hens. The goal was to reduce the amount of space in our backyard that was being occupied by our coop and run. The remaining hens would be free ranging in the yard all the time. So we I got to work. I...
I use Drinker Cups because they don't leave little damp spots under them like the nipple waterers.
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Go with the inner tube. It works great and a new tube is less than $3. You might want to consider swapping out your hinges for a piano hinge then put the inner tube under it.
I've found some good wheels at the local container center (dump). At the hazardous materials center whew you take old paint & electronics I got some nice wheels off a assistance scooter. If I buy they usually came from Northern Tool, Tractor Supply, Agra Supply, Harbor Freight, and yard sales.