ok i have a friend whos parents have had dish network for 5 years. they have a 301 500 legacy , and some older reciever. now they want to get two 322's and a superdish. Could this workcall dish neotwork and tell them that they want to cancel have dish network get the recievers and the dish off the roof. then two weeks later go to a dish store and go and order so would they then be new customers would this work.