Just a few random observations....
Buying a boat out of the country can be tricky, although plenty of folks do it. Remember that buying a boat even locally can get pretty complicated, and don't underestimate the cost (time and $$) of getting this one back where you need it to be. That may be the reason for the discounted price -- i.e. the owner recognizes what it will take to deliver it to the "market".
And I wonder if this 1977 36' Cabo Rico at $49K really is "too good to be true." I'm a bit skeptical. I have seen older 38's (in need of much TLC) asking not a lot more than that. I can also think of other similar boats in that price range I'd want to compare it to.
Also: There are two 36's made by Cabo Rico, so don't confuse them. The current/new 36 is an extended version of the 34. The older 36 that you are looking at was called the Tiburon, which later got stretched, modified, and improved to become the popular 38. A Tiburon does not usually command anywhere near the price of the 38s that replaced it.
But if you have been tracking these boats for a while and understand their value, maybe it would be worth a look. If you're up north in the cold like many of us, I can think of worse things to do.