Verizon's new Above Unlimited plan starts at $95 a month for "super users", but any family account member can get a big discount by mixing things up.
Technically, you have to pay for your first two months of unlimited MetroPCS service before receiving $100 back, but free money is always a good deal.
Instead of paying just $60 a month for two unlimited everything service lines, T-Mobile customers aged 55 or older will be charged $70 starting March 15, which is still extremely affordable.
Every season is gift-giving season at T-Mobile and MetroPCS, including tax season, during which you can get a number of free or at least heavily discounted smartphones.
Four new unlimited data lines with US Cellular will set you back a modest $140 monthly total, while a single line is $45, both prices contingent on a number of catches and strings.
In addition to ultra-affordable unlimited data plans, those who choose to switch to Cricket Wireless in the near future can get one of several Android phones free of charge.
If you sign up to a US Cellular unlimited plan between November 22 and 27, and turn in an eligible device, the iPhone 8 can be yours free of charge.
There are now two Cricket Wireless unlimited data plans, the newer of which starts at $55 a month with a permanent 3 Mbps speed cap.
MetroPCS sets a new standard for unlimited family affordability, free phones thrown in for switchers
Four unlimited lines of MetroPCS prepaid service are only $100 a month in total right now, with a bunch of free phones up for grabs for switchers.
$75 can get you a Verizon Go Unlimited line with a boatload of limits and restrictions, while the $85 Beyond Unlimited plan is better but not great.
Boost Mobile's "Unlimited Gigs" are still $50 a month for a single user, but the second, third, fourth and fifth service line only cost $25 each.
T-Mobile ONE Unlimited 55+ service aims to show respect instead of contempt for the "generation that invented wireless", i.e. Americans age 55 and up.
The best AT&T GoPhone monthly prepaid plans still cost $40 and $60 respectively, getting big upgrades from 4 and 8GB high-speed data to 6 and unlimited.