So are you selling an Iphone 7
Yes
How do I know that this is really a iPhone? Is it used?
 it used. New. As I said, I'll send you the link to check it out
So are you selling an Iphone 7
yes I am
How do I know that this is really a iPhone? Is it used?
its new. I'll send you a link where you can verify that
I don't need the link but considering that it is used, I am willing to pay 500 for it.
550 is fair
I will meet you in the middle and pay 525
it's a deal.