Free: Contests & Raffles.
How cheap does it need to be? Super-vee L's are cheaper than the normal models. I think you will want to fish out of the various models before you buy. You will discover that some boats track far better than others. Boats that don't track well make fishing a complete pain in the ass.
I called on 3 rivers for a Super V L and they start at 30,000... LOL!!! Yikes!!!