Query for alibaba.com

I have a problem with alibaba I order a TV you buy 2 and get 2 for free the price was $400 this now the guy was helping he say I must pay $700 for charges now the money is pay now he said I must pay again another $400 I ask him why I must pay again he said things are changes but the day I ask him about the money I must pay he said I must pay $700 now I don't have that money said I must he is so rude now he said am sick or am old name of this guy is vadim