Keeps 4 days refrigerated. Strip the carcass the same day and simmer the bones an hour for stock — that's the base for the chicken noodle soup. Cooked meat freezes 3 months off the bone.
It gives a neater result but slightly slows the thighs. For even cooking, leaving the legs loose is arguably better. It's mostly cosmetic.
Breast up is standard and looks best. Starting breast-down for 30 minutes then flipping gives juicier breast meat at the cost of appearance.
Oven not hot enough, skin not dry, or too much liquid in the pan. 425°F, dry skin, and vegetables that aren't packed tightly.