Choosing the right course, whether you are learning through online methods or through regular college/university courses is an important decision to be made be any student. If you choose the wrong course for you, you could end up learning skills which are unnececssary for your needs, or perhaps enroll onto a course which is too advanced for your level of knowledge! There are ways to go about making sure you choose the right course for you.
Firstly, read all the documentation you can about each course – check the requirements of the course. Do you need any qualifications or certain skills before beginning the course? Some practical subjects such as hairdressing or plumbing for example, have levels of skill which you progress through. If you do not have a level 1 qualification, you will probably not be accepted onto a level 2 or 3 course.
Pick a course which will be interesting to you as well a useful. If you are learning from home, you want something which will inspire you to learn!