If it’s doing this right at boot up even after a reset / clean install of the OS then it’s likely a hardware failure. You can run diagnostics also, see: https://support.apple.com/en-us/102550.

Take it back and get a different one.

Even when I know what I want I cringe with the 90% scammy apps in the search results.

Option 3: No MacRumor, 9to5apple, and other spam blogs. No conflict of interests and the forum will have higher SNR.