Heat source for winter. You never know when you might need a heat source. This "life hack" is brilliant and simple as long as you keep the necessary items on hand: Bricks, terra cotta pot, tealight candles, matches.
Love this simple list. All of these are applicable on how to become a better entrepreneur and business owner. 13 Foolproof Ways to Improve Your Life + Become a Better Person Infographic, Self-Improvement, Health