User Activity

I am selling in ebay from 2011. past two months I was checking ebay FVC, they have charged for so many items which all i have not sold. I checked fully and nearly 3000rs they got extra from me. Then raised complaint and then got the money. Paisapay I...
Why I am not able to leave negative feedback for buyer? If this option is not there then buyer takes a good advantage for not allowing us to develop the business in ebay shop :-(. What is the meaning of feedback? If buyer or seller does some mistake ...