Clean the entire house (Vacuum carpets, clean hard flooring, countertops and windows)
Turn on all overhead and lamps
Open blinds/window treatments for maximum natural light.
Remove all personal photographs, memorabilia or anything you don’t want shown.
Close garage doors and remove cars from driveway
Freshen landscaping and remove empty planters.
Remove visible water hoses, pool cleaners, toys, sports equipment, etc
Hide trash cans and turn on pool fountains/water features
When in doubt, leave it out
Less is more, as it helps shoppers envision their own things in a space.