I had similar issues as you but it turned out to be the hardware was bad... I replaced my macbook pro and it's been great... But the other hardware issue on th

I had similar issues as you but it turned out to be the hardware was bad... I replaced my macbook pro and it's been great... But the other hardware issue on the new macbook pro's is if you charge on any of the USB-c ports other than the one on the right side, you'll likely run the laptop too hot... so charge on the right side not the left side and you should be good... it's crappy i know... but new laptop i've almost and charging on the right side i've nearly forgotten about all of my apple hate...