I just found a mathews switchback xt for sale locally at $550 with all this

Im selling my Switchback XT. It comes with 30" Draw cam, alpine archery soft loc quiver, Specialty Archery quick detach quiver, 10 Carbon Express Maxima arrows, Some PSE radial XWeaves I had pre carbon X-Press, 6 shuttle T-LOC broadheads, Mathews Drop away arrow rest, vital bow gear single pin site.This setup has only been shot around 150 times. Im asking $550 for everything I am willing to ship and this outfit is in new condition. Over $1300 invested This thing is shooting 290's.

If i buy this bow what parts of the bow should i look at to make sure there is nothing wrong with it?