interesting question. did the purchase survey reveal any major issues?
I suggest looking at:
1. rudder. go over the entire surface of the rudder very carefully, especially check the bottom flat surface and the edges between the bottom and the sides of the rudder. make sure no delamination or cracking. jiggle the rudder to make sure no excessive play in the bearing.
2. check security of prop strut and make sure no excessive play in the cutlass bearing.
3. thru-hulls fittings. hunter used wood backing between the hull and the nut. this will compress over time, especially with the help of sea water. if in doubt, replace the thru-hulls.
4. keel. inspect entire surface of keel, especially the bottom and the keel/hull joint. if any rust if found, suggest using OSHO product which will neutralize the rust.
good luck.