I'm looking to become a Dish customer again after being away for a few years. I see the new Free Hopper offer and have a question. I'm looking to have 3 TV's in a new home but may not add the 3rd for a few months. If I order new service, I can get a Hopper and 2 Joeys for free. The issue is that I only have 2 TV's at the moment so only need the Hopper and 1 Joey today. If I sign up for the Hopper and 1 Joey now (to save the $7/mo joey fee), can I add a 2nd Joey in the future at no cost or will Dish charge extra for it?