Here are a few tips that will cost very little time or money but will help ensure you have a safe and happy holiday season.
1) Before you start setting up your tree make sure that the tree stand is big enough to safely hold the tree up with all the ornaments and has an adequate water holding capacity. No-one wants they're tree to topple. No-one wants to have to fill the reservoir more than once a day. Remember, Trees need that water to stay moist, without water they dry out and become a serious fire hazard.
2) Check all your light strings for cracked or kinked wires as well as to see if there are any bulbs that need replacing before you install them. Some strings may not work at all if one bulb is blown. Also, check any extension cord used in the process an take this opportunity to check the whole house for old cracked or frayed cords. Extension cords should not be used out over heating devices the insulation can melt or crack exposing the wires and they age much faster.
3) Check all your heating air filters. By Christmas you have been using the heat for a few months and they may need attention. keeping them clean makes the entire system more efficient saving you money and making the house more comfortable.
4) As always check your smoke detectors, batteries are inexpensive and this could save your life.