Good signal/bars but no network connection many times daily

I was originally with Sprint but have been forced onto the T-Mobile network due to the merger. I usually went with Galaxy and LG phones but then made a switch to the One+ brand but now I have the Google Pixel 7. By all accounts, one of the newer 5G models so connectivity shouldn't be an issue IF THE NETWORK IS STABLE. Therein lies the problem... its never stable, no matter where Im at, or what Im trying to do, I can be sure my phone will suddenly stop responding to all networks EXCEPT WiFi...to a point where more often than not, if Im not using my own WiFi, the phone is basically useless. Never have I had such a powerful phone be incapable of the simplest connection requirements. Just a few minutes ago, while standing still watching a video, everything just dropped and the phone itself... basically taking 5 mins to reboot and find another 5G signal....but whats infuriating is that even when everything looks good and normal, I still cannot connect...I spend more time watching loading circles than actual anything else. Maybe its the Google, 5G combination that doesn't work here in my area...IDK what the deal is. BUT whats most aggravating js is that I cannot figure out how a $1000 phone that just a hair over 8 months old, barely works much less work stably, on anything but my home WiFi. 

T-Mobile...you guys really have some 'xplaining to do because your services suck and you're tech support is basically robots reading scripts who act like resetting your network settings and rebooting fixes everything...all while expecting me to make my monthly payments on time nonetheless. 

I just want service I can rely on even if most of the time...is that to freaking hard to ask for, for $120 a month...