How to start your own AI company?

Starting an AI company from scratch could be a really huge challenge for many people. Many people try to create their own AI company. They even try coding in order to create a software. However, your AI tools should solve a problem. For example, your AI tools should help customers who are working in industries such as healthcare, finance, education, etc. So, is it really possible to start your own AI company? How do you do it?