What are Santiago's character flaws in the book The Alchemist by Paulo Coelho?

Santiago's potential character flaws are
subjective. One reader might consider a particular trait a flaw while another reader might see
that same trait as a strength. One such trait is Santiago's desire to travel. Perhaps that trait
could be a trait of general restlessness. There is a saying about rolling stones not gathering
moss, but it isn't definitive about whether or not that is a good thing or a bad thing. I
suppose thinking about moving all the time to prevent mold from growing sounds good; however,
the gathering moss is integral to ecological succession and the maturation of an environment.
Staying in a place helps a person become a part of a community and put roots down. Santiago
seeks an ever changing horizon which could show that he is incapable of being content in any
given location or life situation. That means he is not capable of making the best of current
situations because he's always looking for a better or different
situation.