While not being worth the expense ... It is very rewarding to restore an old boat. car or motorcycle.
Doing it over the course of a year or two, you don't have to come up with all the money at one time.
Even on a old boat that looks like new, there can be problems.
Most old boats will have rotted wood, which needs to be cut out and glass around it ground out.
Cut some new wood and glass it in ...
Do some reading on the subject and ask some question on others projects.