1st started to sell BSNL
was having 10 stock in hand, i trusted my distributor can reserve more tabs for me, so take 24 orders in ebay
there is no stock with distributor everything got over in a day
so refunded 14 transactions over there
12 transactions, late dispatch.. fail to update track code over ebay.. refund also approved out of 12, 11 got product also..
recent, beetabz deal, he commited to me on a specific date so started sales, plenty people purchased, company delayed for a month, so refunded all transactions around 20