I would like to be able to use built-in tools to figure out automagically how much time I want to spend on this site and then implement it.
e.g. a "i wish I was finished now" button would, without being biased by numbers, mark the fact that how much I did now is my ideal, and beyond that is excess. Then after using that button a bit, conclusions could be drawn and I could be automagically advised how many words to add and when, for instance. Or even be advised to suspend words until I catch up!