Amazon Firestick the best choice?

Currently using Kodi on my laptop and connect it by HDMI from my Windows laptop for my TV. But I’m considering losing the cord and getting Firestick (after seeing it in use at a friend’s) I was wondering though since you have to side load Kodi because it isn’t available on the app store, do you lose everything when having to Update versions when they release them?

Also being new to Firestick I read something about how Amazon doesn’t want Kodi loaded or part of the app store. Now Idk if that is true or not but if it is, is it worth getting the Firestick and worrying if one day Kodi won’t be on there anymore? Lol. I appreciate the help. Ordering one tonight hopefully.