I have this gimbal overload problem immediately after turning it on. So I tried to turn it off and on many times. Didn't work. Then I tried this, use your hands and try rotating the Gimbal in all directions. Mine felt tight when trying to point downwards so I moved the Gimbal up and down several times to smoothen the tightness. Then I turned on my Mavic 2 again and it worked perfectly after that!

Damn man, I saw your forum post and watched the video. I wish I had a stress-free solution for you, but I dont, nor do I think you'll get one on the forums. Just more of the same, "check your gimbal cover. Did you do this, etc" which in my own experience, can be frustrating in itself, because you made a pretty specific OP which told me you have tried all the standard fixes! Bad news though, there isnt a fix. You definitely got a faulty gimbal unit... That start up sequence was perfect, the free motion on the gimbal before you started up the M2 was great, but after you took off, even before the error notification and after it, there was ALOT of gimbal movement that is not supposed to be there. Even if the error hadn't popped up, your footage wouldve been subpar! I would definitely give Best Buy some more grief. It seems crazy to charge a fee to replace a defective NIB product. Its not fun, but if you cause a stir, hold up the line, show them the video, keep on asking for a higher up mngr, over 75% of the time, they will give in, esp if people are waiting behind you. Its not like your trying to con them. They actually con you as well as all the other customers. How often does anyone actually read all the fine print while in the checkout line? Checkout would take forever if so. They know this. You deserve to get a working product, but I get it if you've already went thru all that, or just dont want to harp on them. The only option after that though, is DJI, which I feel for you, esp with this Corona Virus crap. I wish you luck man, truly!