I love Tracfone. I've also had 2 Tracfones since 2002. One for business and one for a personal phone.
Tracfone RENTS service for the 3 major phone carriers: Verizon, AT&T and T-Mobile. It is the SAME exact service. It's the exact same towers, same service, they get to keep the same phone numbers. There is no special, separate, cheaper/different "Verizon" service through Tracfone. Just the
contract is through Tracfone instead of directly with Verizon.
Depending on which phone model you get and what area you live in, will determine which carrier they will get. Since they want Verizon, they need to get a type of phone called a CDMA phone. NOT a GSM phone, which only works with AT&T and T-Mobile.
For the non-smartphones, make sure the phone model ends with the letter "
C" for CDMA, "DL" or "VL" (for Verizon.) No letter "G"at the end. OR you can go on the Tracfone page, when it asks for zip code, insert 51355 instead of your own. It will automatically take you to a Tracfone page which only has Verizon based/CDMA phones because that zip code only has Verizon service. Don't worry that it's not DH's parent's zip code. You
buy a phone that works in this zip code, it WILL work in their zip code with Verizon service. When they
activate the phone, they put in their real zip code and ask to transfer their existing phone numbers. Since the only thing that changes is the
contract the phone number should be transfered and working within 24 hours. But, usually less than that.
Do NOT buy a Tracfone from the stores, like
Walmart, Target, a drugstore. Those usually have the GSM phones dedicated to AT&T or T-Mobile as the services. (Unless they don't mind switching to those services. But, if they are happy with Verizon, why switch?)
Any time I want to upgrade to a newer phone model, I can and have. The Tracfone page has great "bundles" for phone and minutes. QVC and HSN have even better bundles too. Although, I'm not sure if they have any for flip phones. All 3 of those places let you return any phone within 30 days. Tracfone has FREE returns. Although, you need another phone to transfer the phone number to,
before returning a phone.
Tracfone has a 365 day service. OR they can add on service every 90 days. They will get a text message alert when to add on new minutes. Although, maybe set it in a calendar reminder. OR they can set it up with an auto-renew plan. The minutes roll over each month. They never expire.
I have about 50 HOURS of talk minutes on each phone, mostly due to all the rollover minutes. I was only buying the cheapest, 60 minute card each month and occasionally buying a great bundle with lots of minutes. But, I'm not really on the phones that much for talking. Usually emergency stuff. Now, I can talk forever on each phone.

I do have smartphones now and can check my email, text and take photos all the time. I really love that I didn't have to pay $300-$600 for my smartphones.
The only extra "fee" is taxes and I think a $1 universal connectivity fee.