Why do you think that Self Help Books are a waste of money? Have you ever read one before? So, what makes you think that Self Help Books are rubbish?
There are many people out there who think that Self Help Books are a waste of money. They think that they are rubbish and these books should not be considered. Obviously, there must be a reason for it and the main reason here is that you didn't agree with whatever is written in that book which you have read. You have your own opinions and you think that your opinions are the best. This is one of the reasons but there are many other reasons too.