For example I have 30 combined Gigs on my plan (12gb + carryover+free gigs for life). If I'm on a congested tower and someone else is at their 22nd gig on unlimited and I'm say at 25, I wont get throttled but the unlimited data plan would right?
You won't be subject to the slow down. The new unlimited will be after 22, won't automatically be throttled, only of tower is congested
Does that end up being cheaper than the U plan?
I was looking at the carryover plans, but with 8 lines, 4 unlimited using 20-30 gigs a month, I would have needed 60 gig plan minimum, the 80 probably realistically and place limits on the unlimited lines, and it would have cost a little more.In my case the unlimited plan is more expensive but it depends on ur plan. I think the carryover data feature is more than good enough