Extension cords - Faulty extension cords can be super flammable. If possible, don't skimp on the cost of an extension cord. And make sure to replace a damaged one right away.
Stairs - Falls are the number one most common house-related accident. And they're frequently caused by stairs. To keep things safe, be sure to install handrails and good lighting.
Toilet bowl cleaner - The corrosive ingredients used in acidic products can also cause burns on skin and eyes.
Bathtubs - Bathtubs can be an unexpected source of danger, as children can drown in them. Thankfully, it can easily be avoided simply by keeping an eye on your kids during bath time.
Christmas trees - Christmas trees can go up in flames pretty quickly, especially real ones that are drying out. Fake Christmas trees can also burn, but they're less likely to catch on fire.
Knives - Knives can be a risk of danger at nearly every age. A child handling a knife could potentially lead to injury.
Electric blankets - Electricity and blankets aren't a good combination. There have been reports of people having heat stroke due to them.
Ceiling fans - When not properly mounted, ceiling fans pose a risk for homeowners. They could fall down on someone, which can lead to severe injuries or even death.
CFL light bulbs - These types of bulbs are only a danger when they break. When they do, they emit a small amount of mercury into the air, which could be hazardous.
Pillows - Dirty pillows can pose a health risk, as they can develop fungus. The fungi in your pillows can cause severe allergy symptoms, asthma, and other respiratory problems.