They are not worth a fortune. Does your boat run?
In unrestored condition, if complete and serviceable... I'd say the boat in the pictures would be worth somewhere around $5,000 +/-. In fully restored (like new) condition that would rise to $15,000 - $18,000.
It's a cool boat so, if you like it and you bought it for what you consider a "steal" then it's a good buy. So. enjoy it.
Fwiw, I paid $500 for mine and that was the same price for the boat in California (previous pics) that was in much better shape than mine but was not running and the interior was trashed. There's one for sale in Michigan for $2,500 but, the owner bought it for $200 and has been trying to flip it for 3 years... no bites.