I especially love the let your child experience their emotions as theirs without trying to change it. I preach this all time. They experience emotions the same as us, it's not our job to change them but to teach them how to manage that emotion.
Kids Chore Chart: I like this one because it has a fines area. That way even if the kids do the activity if it isn't done when or how you would like there is a consequence. Plus my kids like seeing their money add up and having one big payday. It really is working well for us.