Set timers for lights in house
Water plants
Empty trash
Update voice mail and e-mail auto-reply message
Update Web sites that you manage
Give or throw away perishables from refrigerator
Lock all windows and doors
Turn down thermostat
Disable garage door opener or set to vacation mode
Remove unnecessary cards from wallet (library, video rental, punch cards, and extra credit cards
Check in for flight via Web
Power-off computer and other sensitive electronic equipment
Lock all luggages; ensure all pieces have current ID tags
Set house alarm
Contact Alarm Company with alternative phone number
Arrange for pet sitter
Arrange for houseplant and lawn care
Arrange for pickup of packages and solicitations left at door
Leave emergency contact info and itinerary with relative or friend
Get appropriate inoculations for destination
Verify available spending limits on credit cards make sure you have pin numbers and contact back to make sure your bank card/credit cards will work at your destination
Purchase local currency
Purchase traveler's checks
Pay bills
Put hold on newspapers
Put hold on mail
Some places (condos) ask that you turn off your main water tap, check with Management Company
Arrange transportation to and from airport