Have milk, newspaper and other delivery services discontinued during your absence or have these items picked up by a trusted neighbor. Arrange for lawn care or snow removal. Have the Post Office hold or forward your mail or have it picked up daily by a trusted neighbor. Have someone check your home periodically to be sure that the light timer is working and to vary the lights and position of the drapes. Have a neighbor park their car in your yard don't publicize vacations ahead of time.
Many thieves watch local papers for accounts of vacationers.
The many new and improved locks now available for your home can delay a burglar to the point that he will go elsewhere. Locks older than five years old probably are out-moded and should be replaced. With most lock sets, replacement is surprisingly easy. Contact your local locksmith or law enforcement agency for advise. You may also consider installing solid core or metal doors which also may discourage a burglar.