Successful inventors often share traits such as curiosity, persistence, creativity, and a willingness to learn from failure. These qualities help them overcome obstacles and develop innovative solutions that can have lasting impact. 

Protecting your invention typically involves securing intellectual property rights such as patents, trademarks, or copyrights. Consulting with patent attorneys or specialized services can guide you through this process to ensure your idea is legally protected. 

Failure is a natural and important part of inventing. Each setback offers valuable lessons and insights that can refine ideas and improve designs. Persistence through failure is often what leads to eventual success. 

InventHelp and similar organizations provide support by offering guidance on patenting, marketing, prototyping, and connecting inventors with manufacturers or investors. This helps streamline the path from idea to market. 

No, inventors innovate across many fields including medicine, education, environmental science, and the arts. Invention is about solving problems and creating value in diverse areas of life.