[Q]: Which of the following solutions is better for the following goal:
How can I hide my emergency money when I am travelling or away from home?

[A]: Use an empty chap stick tube, roll up folding money in there, people are very unlikely to bother to steal or take used chapstick.

[Q]: Which of the following solutions is better for the following goal:
How can you make a floating shelf?

[A]: Use a simple metal bookend (one that is a 90 degree angle only and metalic) Drill a pair of holes into one angle, screw to a wall and set books upon it.

[Q]: Which of the following solutions is better for the following goal:
How do I get my white underwear extra white?

[A]: Wash them with bleach in a separate all white load.

[Q]: Which of the following solutions is better for the following goal:
Make a hanging terrarium.

[A]:
Plant herbs on old light fixtures.