Not sure what to buy? Check out my https://quadmeup.com/excellent-fpv-shopping-list/ Excellent FPV Shopping List!
Or become my Patron for special benefits https://www.patreon.com/pawelspychalski
New version of INAV and INAV Configurator will pack a lot of goodies. Like this simple GUI to manage custom servo mixer rules. Instead of typing smix command in CLI, just click it. And you do not have to remember what each and every Input number means. Pretty sweet.