When looking at these prepaid plans at Tracfone, they say up to 750 minutes of talk time and 2.0 GB of data usage for $50 and 90 days. How long would it take to use up 2.0 GB of data if you're using it for Google Maps? I plan on getting a cell phone to keep in the trunk of the car for roadside emergencies. I can't see any reason to use the phone other than for phone calls or Google Maps.
https://www.tracfone.com/shop/plans
https://www.tracfone.com/shop/plans