It is possible in theory, but it is difficult to do. Hawking is a genius, but not everyone is.
Your desire to stand on your own feet is understandable, but this industry is dangerous, difficult and full of thorns. It is not recommended that you go this way. Because investing in the stock market requires comprehensive ability, and it is not something that can be successful simply by thinking. In addition to learning the knowledge of stock market finance, you should also understand the national policies, have a good attitude and have the necessary study funds to try to enter the stock market. Even if you can't visit the company in person, you should always be familiar with the product sales of listed companies in society. A lot of false information on the internet will accidentally step on mines.
I suggest you make more successful friends with the Disabled Persons' Federation and learn a skill according to your actual ability.
Not to throw cold water on it, but out of 120% goodwill.