Other possible fencing options are chain link and electric. Depending on the predators in your area some options will be better than others, and cost understandably may be an issue as well.
You want roughly a minimum of 10 sq ft per chicken in the run, though more is always better.
Age: Starting with chicks is always best, though if you want the fast route to eggs and/or are concerned about NOT getting roosters (due to restrictions) you may want to get pullets.
Feed: Assuming...