You don’t have to be rich or T-Pain to be “on a boat.” You can rent one plus a captain for the day from Boatsetter. And now it’s got boats in more than 300 locations around the U.S. since it just acquired rival maritime marketplace Boatbound. Boatsetter will be taking select talent from Boatbound plus logistics tech and its inventory of vessels for rental. A source familiar with the transaction said the acquisition was paid for with Boatsetter stock valued in the low-millions