Pick a set of 3 daily chores from a list of age appropriate chores. You get the drift. Something simple that doesn't cost a fortune. The point is when adults work they trade work for a paycheck so they can get what they need and want. Too often, praise, when given, is short and sweet.
Criticism tends to be long and detailed.
If you don't want to turn your little angels into mercenaries , decide early on what you hope they learn from getting an allowance Psychologists have conducted numerous studies and have found you will get better results by placing an emphasis on rewarding good behavior. Perfect parenting has 1200 tips -here are just a few. When you ask your child to do something and he responds with a complaint, just repeat your request and walk out of the room. Continue to repeat your request in a bland, unemotional way. Your child will tire of hearing it and get the message that you're not going to give up.