Decorate with pale colors on walls, ceilings and floors. Soft tones reflect more light, so you can use lower wattage bulbs and delay turning on lights until later in the day. Using high-gloss paint can help as well.
Making it difficult for thieves to enter your home is an effective way to protect your possessions. Research by the Natinoal Crime Prevention Institute shows that burglars generally will work no longer than 60 seconds to obtain entry.