User Activity

hi i have bid the wrong amount on a dd $680 indstead of $6.80 what cani i do as i did not mean to. HELP
hi i have been looking on e bay adds and they start from 0.99 and the postage from $15 to $70 as a seller are you aloud to ask for more than standard postage ?
hi sorry new to e bay i have had a add finish and did not sell, i have had customer contact me wonting to buyit , but at a cheaper cost ? am i aloud to sell now that the add has finished ? And if no who do i report it to ?
i am new to ebay i have had a add finish & a cutomer contact me asking if they can buy it for a cheaper price ? Am i aloud to sell once the add has finished ?