Oh, and Deuce, we might all say all this and you might end up with kids that can't conform to any of it.
My buddy had twins. His children, as his wife puts it, are MONSTERS. They're 2 years old. Adorable as hell. But...they CLIMB! I've never seen kids like this. They're busier than any kids I've seen, ever. At 1 year and a few months they were able to pull themselves up with ONE arm! He had to get rid of all his dining room chairs, all their decorations, everything. He's whipped their butts, put them in the corner, done absolutely everything. They just LOVE climbing.
He and his wife have figured it out, but they still have their struggles. It's not like they're not disciplining their kids. They just have super active, super strong children that love climbing on everything (window sills, counters, book shelves, you name it). My buddy said, if I bring my kids to your house, they'll literally destroy everything in it.
EDIT: He said a few days ago he turned his back for all of two minutes to grab something out of the garage. When he came out, both kids were on the hood of his big tractor, that was on the trailer, playing with the smoke stack!