Amazon beat out Microsoft's own sale price on the Surface Pro X

TL;DR: The Microsoft Surface Pro X, just released in fall 2019, is on sale for its lowest price ever on Amazon. As of March 5, you can save $150 and get the 128GB model for $849.99 — cheaper than Microsoft's own sale price.The tech world is no stranger to upstaging. You know, like when Samsung conveniently announced its first folding phone on the day that Apple announced the iPhone XS. 
But the juicier drama to watch is when a brand upstages itself. Everyone was basking in the ex