Yeah I didn't think it would be to hard to replace.   I was just curious if there was anything I could do to make sure that the cord/jack stays "healthy" so to say.

  So my RE-0s just "lost" sound in the left ear. I can fiddle with the cord at the jack and sometimes it will come back, but I regress.   Is there anything I'm doing wrong? My MP3 sits in my pocket and I suppose the cord could be being bent(not sure how much the cords can take before they...

Took 3 business days for me. MB, Canada. I was pleasantly surprised at how fast they got here in comparison to the price shipping costed.