When Tony B. is breaking down the wall with a sledgehammer, he hits it once, then twice and the hole is much bigger, then when the camera goes to the kids then back to the wall, it is the first hole, the smaller one.
When Tony strips down to take a swim, Carmela says "you're gonna leave your socks here, your underpants", but Tony still has his underpants on walking out the door and when diving in.
When Tony B and his Korean boss are fighting at the massage premises, it's obvious the wooden beam they are wrestling with is made of sponge/foam as you can see it obviously twisting in their hands as they fight in the Koi pool.