So in order to extract from the wallet I need to sell the coins even though there is a large value on it? I cant just withdrawn it into a bank account? Seems very unusual and rather complicated.
Think of it like a stock, or collectibles. You can't just "withdraw" them and place them in your bank right? Unless of course, your bank supports them by default (which is rare, a minority even). I don't think it's complicated at all, you probably just don't know how to do it. Just browse for a while and ask if you don't understand, it's not rocket science.