[randomdata]

There is an opportunity cost. Time spent washing dishes means time not doing something more productive.

[krono]

That is precisely why you should let your $0/hr spawn pick up this menial task rather than doing it yourself - assuming your time is worth more than theirs, obviously :)

[randomdata]

If your spawn is only worth $0/hr., they won’t have the capacity to handle it. If they are worth anything more, they would be more productive elsewhere. The income they produce for you will more than pay any dishwasher costs.