I had a similar issue with America’s Tire when I replaced the front tires on my 2015 4Runner (due to a puncture). Their price was great but couldn’t get it balanced after two attempts. I went to a tire specialty shop (Stokes Tire in Santa Monica) that was recommended to me and they fixed it...
On the way home from picking up my new-to-me 2015 SR5 4x4 I drove ~350 miles from NorCal to Los Angeles. It was quite hot much of the way (90+ degrees) but with just me in the car in a stock vehicle at more-or-less 70mph I got over 22mpg (using GasTracker app). I noticed it dropped quite...