Custom business signs are increasingly popular and are usually referred to as outdoor advertising. They serve as valuable tools for businesses interested in expanding their reach. Before making a choice, understand that there are some differences between indoor and outdoor signs. The most significant difference is in the colors and materials used. Moreover, signs are usually considered temporary signage to make it easier to use them without breaking state regulations. Custom yard signs are a great investment and extremely popular in real estate, as they can significantly boost customer attraction, with studies indicating sales increases of over 5% after using signs.