Goal:
Remove sticker residue.
Answer:
Scrape with baby wipes.

Goal:
To protect your home from home invasions,
Answer:
get a dog to bark when an intruder arrives.

Goal:
remove barcode stickers
Answer:
soak a cloth in vinegar and rub

Goal:
How do you clean milk jugs before recycling?
Answer:
put some water and dish washing detergent in it and place the lid, shake vigorously, then empty the contents.