Honestly I'm shocked that there are so many people experiencing the same problem (and I am one of them) and yet Quickbooks cannot seem to get this fixed promptl...
I have experienced the same - in my case, the mobile app autotracks a couple of trips then ignores the next few trips. Then it might track a few more. Very frus...
Even though all my app settings are correct (per the help pages), my app still never auto tracks my mileage. Therefore, I manually start tracking before every t...
