Can one make a living through the rely on the web designing and graphic works?

[Stardom22]

There are so many people claiming to be making a killing on the web designing and graphics both online and offline.
So according to you , is it possible for one to rely on that as the primary source of income?

 

[King Belieal]

There are people that have taken web design as their core career and have made a good living out of it.