Having an Air Mattress Repaired?
To find the hole(s)squirt a little dish soap into the mattress fill with air. Wet the mattress, look for bubbles.
Removing Highlighter on Cabinets?
I would try WD-40 It works for crayon on walls and doesnt remove paint.
Removing Dried Ink from Clothing?
I use Zout stain remover it works every time.