MR Wiz - Thinking the same thing here... I really only have one phone and the MIFI hotspot unit that uses the most data. Probably just drop unlimited data to one phone account and get whatever is available for other two accounts.
About the only time we downstream TV SHOWS to watch when we miss one is over our CABLE INTERNET account... Don't think I have ever gone over its limits - bill is always the same each month (almost to the penny)...
Having said that I guess that means I will have to drop my smart phone. Wife already has standard phone and me and my daughter has smart phones. I think if you have a smart phone you have have to have some kind of data plan to keep it...
I guess not doing anything will mean my bill will go up $60 counting my MIFI unit...