Broody Hens
Broody Hens is the part of backyard chickens that gives the most trouble to newcomers, and also the part that improves the fastest with deliberate attention. A few weeks spent on broody hens carefully — rather than rushing to the next thing — usually outperforms months of unfocused practice. The improvement is not glamorous and rarely shows up in a finished result anyone else would notice, but it is what separates a frustrating hobby from a satisfying one.
The rule of thumb: if something feels off and you cannot say why, the answer is almost certainly in broody hens. Slow down, observe, and only change one variable at a time. Keep brief notes if you can. After a few sessions you will start spotting patterns that were invisible at the start, and broody hens will stop being a problem.
A final note. The aim of backyard chickens is not to look like someone who does backyard chickens. It is to enjoy the doing — the slow build of competence, the small surprises, the days when something just works. Keep the gear modest, keep the schedule sustainable, and pay attention to broody hens. Most of what is good about the hobby will arrive on its own.