Keep them where small hands cannot play with them. Ashtrays are designed to contain the ashes and dissipate the heat cans, cups and other makeshift items may prove unsafe as ashtrays. You do not want anyone tripping on a cord. Also, traffic over a cord can ruin the insulation and help create a fire hazard. Avoid overloading your circuits.
Overloaded wires are a sure cause of many fires in homes.
Candles are safest with a mantle that surrounds and protects the flame. Never leave an open flame unattended especially if you have pets or small children in the home. Falls are one of the most common injuries in the home, and can result in serious and long-term disabilities. A night light can be helpful in preventing falls due to limited vision at night. Night lights are available at most local hardware stores.