Rude seller when a refund is requested (his Ebay seller name is: e-x-t-r-a-o-r-d-i-n-a-r-y)

[tobylandry]

This is my ebay standing...            

                                                      100% positive feedback

These malicious replies were because I requested a refund per Ebay's customer policies. Sellers like this should not be allowed to conduct business on this site. Before this seller I have had 100% satisfaction and constantly purchase items from Ebay.
The rude messages came 7/31/15 When I became unable to change my mind about his request to alter my first feedback.
Thank you,
Toby Landry