https://www.vice.com/en_us/article/43j99g/eff-hits-atandt-with-class-action-lawsuit-for-selling-customers-location-to-bounty-hunters

Where ya gonna go?

"All four major cellphone companies have just been hit with a class-action lawsuit over allegations that they sold their customers' private location data to bounty hunters and low-level law enforcement."

AT&T, Verizon, Sprint and T-Mobile reportedly sell your location data
https://www.usatoday.com/story/tech/2019/05/06/at-t-verizon-sprint-and-t-mobile-reportedly-sell-your-location-data/1118511001/

I go through Ting and give them as little as possible.

IIRC, they really don't need in-phone location services in order to track you since the phones poll the cell towers.  Though I guess that's a little harder/slower to extract the data.  They used to say that the only way to stop it is to pull the battery.

From a few weeks back:
http://th3core.com/talk/hardware-technology/international-mobile-equipment-identity/msg62543/

If you really want privacy I think you are going to have to opt out of the 21st. century.

Yup, pull your battery, Dras. Or leave your phone in someone else's car.