Hmmmmmmm, I don''t exactly know however, it might have something to do with their age. Most of the Gulfstar 50''s are gettin'' a little long in the tooth, many were charter fodder and they didn''t exactly start out in the high-end social circles.
I looked at a good many of them before we found Musashi, but never ran across one that we wanted to sink our money into.
There are some that sing their praises, but my experience is that those aren''t on the market. Many GS 50''s I looked at a couple of years ago are still on the market today.
Be careful out there- "sharks" are in (or on) the water. Good luck~~~~~~~~