So I stripped my pedal thread on my drive-side crank...took it to the LBS and had the whole crankset replaced with a used one, from their shop. Everything was cool...but 100 miles later I ended up with the same problem...I misplaced my receipt , but I do have records of my payment on my credit card.

How does one go about rectifying this...or am I screwed? Thanks for your replies good and bad!