Good luck on your cleaning. It's one of the things I hate most.
And as I said before, "not drawing exact details" doesn't mandatory mean drawing simply; and anyway, drawing simply can be reaaaaaaally hard. In fact, it's often harder to get a "finished" and expressive yet simple drawing.
You might also want to try some effects that are nice, as such:
To get the idea, apply what you've done to the hair on the bottom left of the drawing above, but to a whole illustration with a background and such.
Given the style you have, I feel this could look great.