Category: electronics

Seller: Hi .
Buyer: Hi
Seller: Are you interested?
Buyer: I am potentially interested in this item but would like just a moment to read more on it. Please give 1 moment. 
Seller: That is fine, i am asking $21.
Buyer: Could you take any lower for it? 
Seller: I am open to offers.
Buyer: $15?
Seller: can you come pick it up today?
Buyer: Yes I can if you can take $15 for it.