There is a wonderful invention for cleaning: Baby Wipes. But not just any wipes, they have to be Huggies. These wipes will clean almost anything that needs to be cleaned. Other wipes can get some of the stuff, but just aren't as good. Some of the possible uses (that I or my sisters have found) are:
Cleaning the black stuff on doors from kids hands.
Cleaning doorknobs.
Cleaning grape juice stains off cupboard doors.
Cleaning stuff off phones.

Cleaning tiles that haven't been cleaned in forever (by previous renters) and nothing else will work.
Tile on left was cleaned with a baby wipe, tile on right wasn't.Cleaning computer mice, keyboards, screens and other various parts.
Cleaning kids faces, and other body parts.
Cleaning black magic marker off kids faces before the social worker comes. (Mr. Clean Magic Eraser also works for this, but leaves the skin looking a little raw.)
Cleaning steering wheel in cars.
Cleaning buckles on car seats.
Cleaning inside door handles on cars.
Cleaning anything in cars.
Cleaning hands after changing a flat tire.
Cleaning hands after checking oil.
Cleaning remote controls.
Cleaning desks and office equipment.
Cleaning out the gunk that collects on washers.


Cleaning appliances (especially fridge handles).
Cleaning sink area and handles in bathroom between deep cleanings.
Cleaning toilet and floor in bathroom between deep cleanings (But do NOT flush them).
Cleaning up "accidents" while potty-training.
Cleaning dirt off shoes.
Cleaning dirty coins.
Cleaning toys.
Cleaning outdoor furniture.
Cleaning dirt off the bottom of the slide that collected during the last rain storm.
More to follow. If you know of other uses, let me know.