Buy only government-certified Christmas lights.
When using candles as decorations, make sure they are where you can see them when you choose to light them for a special moment.
Decorations with small, removable parts should be kept away from small children.
When using sprays, foam and other synthetic materials, make sure no one in the house is allergic to the chemical content.
Trees and other paper-based décor should not be placed near candles or fire.
Check all cables and make sure the wires are in good condition.