Welcome to the world of high end remotes. I have a pair of fifteen year old MX500 that cost about that new. The current MX850 model lists at $400 MSRP but you

Welcome to the world of high end remotes. I have a pair of fifteen year old MX500 that cost about that new. The current MX850 model lists at $400 MSRP but you can buy online for around $275, that's about one tier more expensive and fancy. Full customization is expensive no matter the display technology. A lot of work goes into the software. (edited to add, if you look at an ancient MX500 or a modern MX850, you can also see tactile vs display is a long solved problem ... just put rows of buttons along a column of displayed names. This has been solved so long, that any patents have probably run out by now. Basically hand held aircraft MFD.)