We put some of this on the side of the garage that the chickens were pecking at. Given the age of our house, the paint is lead based. We have since had the house and garage painted. They've stopped pecking since there isn't any loose.
Incubated chicks don't have mother hen to show them the ropes, so one has to introduce them to the food and water. This is done by putting their faces in it. There are gentler ways of making sure a weak chick is hydrated, but if one has as many chicks as a commercial hatchery does, one doesn't...
Fermented feed is supposed to help with gleet. You could also try a little yogurt, buttermilk, or active apple cider vinegar (mixed in water) to help introduce beneficial bacterias to fight the fungus.
I have chickens who prefer to sleep on top of the coop, so i have to put them inside at night, but an automatic door to let them out in the morning would be nice
The easier it is to clean, the more likely you are to do it. I put my prebuilt coop up on cement blocks so I could put a bin under the clean out door, so I can just rake the litter into it. This is my coop. I added a nest box for extra space. I find young birds like to sleep in the nest box...
Ventilation is a must have. my premade coop had half a dozen holes in the front. I used a 7/8 drill bit to add a double row at the top in the front and back. I used corks to close three of the holes it came with because they were too low. The ventilation should be high enough that there aren't...