The cost of purchasing a course related to IT proffession is quite on a high side in our world today, still lots of competition out there, a lot of people searching for clients using different advertising methods making it harder to find clients.
If you are good at web design then you can write all the information about your experience in the service section offered in this forum. At first it might take time and a lot of trouble to find your client. That's why you can do some of your design work for free in the first instance. After that if you can attract clients by working with your good skills then you will not have to find any more clients in future. Clients will find you. Also you can showcase your skills on Facebook, LinkedIn all social media this medium will help you find your clients.