This web site deals with chexsystem problems and the way to avoid them .It would be preferable to get first knowledge at schools to learn about the financial tools you must and may use properly .I assume that you do not want to be in the university for that so that you must find short education .Many classes are opened with the help of educational bureaus to help people that for many reasons need the help to cover the information and knowledge they have missed in their formal education.
Many banks offer tools in order to deal properly with banks accounts. Another way
Is to learn by yourself with books or web .In the web like this you can learn how to avoid problems of the chexsystem using what people and financial expert say about. As you can see there is endless information in the web –use it. Better use the help of someone who has the financial knowledge to start. Good luck!