8. Home Security
The home security, the next on our list of best selling products door-to-door includes security hardware which consists of doors, locks, lighting, security cameras, alarm systems, motion detectors and many more items which can be installed on a person’s property. It is very important for every home to have a security system. You don’t need to wait for something bad to happen in order to secure your house. If you decided to sell home security items and you think it is a lot of money to invest, you can start selling only a few of the listed items like alarm systems or security cameras.