I have been looking at boats to purchase recently and a couple of the boats I looked at had something screwed into the fiberglass deck (i.e. chairs or t-top), and when I wiggles the object the deck around the object would move also. Is this a big problem with the fiberglass? I dont think its rotten. If it is a big problem, how much does it cost to fix? And how do you fix it? Also I am looking for my first boat, so I run away from everything that makes me think its a problem.