willing to bet you scared him off playing 'text tag'....
even when I am selling a machine, when people start asking question after question, that's when I hit delete and move on to the next buyer.... no one has time for that...
Kenny is right, their FREE, you will figure all that stuff out when you get them....
the guy posted them for free, and added a pic.....that's was way more generous than anyone could ask....
a scrapper would not give any hassle, grab and run.....
better luck next time.....