I'd do a mix of money and special privileges, probably more privileges to keep the focus off acquiring money. After the kiddos are done their regular chores they can pick a work for hire job to get money.
Do you find yourself nagging your kids? Saying things like "Don't do that!" or "Stop, right now!" or "No touching-keep your hands to yourselves!" throughout the day? Me too. But there's a better way, moms!!
Have you ever thought about saying #5 to the kids? It might help! http://thestir.cafemom.com/big_kid/162880/18_best_comebacks_for_when?utm_medium=sm&utm_source=pinterest&utm_content=thestir