I'm expecting the clowns to answer but to the sensible, You have been miss sold, you have been conned, someone has tried to con you, how far would you go either legally / yourself to put this in order?
I would certainly stand my ground till I win if I knew I was in the right unless it was gonna cost too much money and not worth the hassle but if it was just my time and a multitude of letters I could go on forever and make their life a misery. Im like a dog with a bone with con people