As for tuition, it depends on your local situation, but personally, you need to find a training institution to study, and some institutions are irresponsible and let you be free of tuition.
Look at the quality of training institutions first, and then look at the price. I also come from such an institution. I don't want to mention the name of the organization. Although the tuition is moderate, it is very helpful to my work. I hope I can help you.