Advertising comes in many shapes and forms, one of these being custom magnets. It may not be the most used method, but it is a very simple way to get your business name and logo in front of people. It’s quite cheap to have magnets made up and they are light and useful, so people will keep them around. You can customize a magnet with nearly any design and pass them out wherever you go. These are great for trade shows, as well as for employees. Custom Magnets.