Apple positions the iPad Pro 12.9 tablet as a PC-like experience in a more compact form factor. When comparing it against Microsoft's Surface Pro 7, it can be a little confusing to see what the similarities and differences are to come to a conclusion as to which is better for you. This is where this guide comes into play.
Is the Surface Pro X too expensive? Depends how you look at it. Compared to the iPad Pro 12.9 with 4G LTE, Surface Pro X is often cheaper. Chromebooks cost less, but you also get significantly worse hardware (and no LTE). The Surface Pro X is NOT priced beyond what the market dictates.