I typically use this approach also. One of the most successful developments was the gamification of tasks to earn play points (minutes of playtime). Vacuuming c

I typically use this approach also. One of the most successful developments was the gamification of tasks to earn play points (minutes of playtime). Vacuuming could earn 10 mins for example, with a maximum of 90 minutes, and only possible after doing homework etc. They ended up enjoying both the tasks and the reward.