Staircases can be very dangerous to small children who like to crawl around and discover new things. They may think that they can actually climb the stairs or slide down them. That is why you need to take precautions if you have staircases in your house. It is best to put a baby gate up.
Babies have small fingers and are also very curious when it comes to some things. So it is always best to try to keep the electrical outlets covered by a plastic cover. You can buy them at any convenient store.
Everyone usually has a cabinet of cleaning supplies and it wouldn't be good if your child got into that cabinet so it would be best to get locks or hinges to make sure the child would be able to open the door to get into anything.