Wenonah Tuff-weave boats are very strong and if the boat is in basically sound condition, a composite Rendezvous for $200 is a very good deal IMO, if the boat suits his needs.
The Rendezvous is a very nice river tripping boat capable of running some significant whitewater if it is not too technical. It is pretty deep and will carry a sizable load. It is also reasonably efficient to paddle on flat water, although its depth will cause it to catch some wind.
If you could put up some photos it would be easier to give cogent advice on if and how to repair it. If there is what appears to be a crack on the inside I would almost certainly put a patch on it. I have found the polyester gel coat can flex enough to not visibly fracture, even when the underlying fiberglass has cracked. Applying a patch of a couple of lamina of concentrically sized patches of fiberglass is a pretty easy thing to do.
As for the rough stem, I would probably just apply an abrasion plate consisting of either a layer of Dynel cloth or a couple of layers of 6 oz/yd fiberglass, preferably S 'glass. If done properly an abrasion plate of this type can be smoothed and feathered at the edges and will stand barely proud of the adjacent hull, creating very little drag in the water, and will look quite nice. Of course, you can get a gel coat repair kit but unlike a 'glass or Dynel plate it will add little, if any strength, and getting a good color match will be very difficult.
Full Size Sail Rig
Touring Kayak Paddles
2-3 Canoe/Kayak Trailer
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