What are /r/GrandPrixRacing's favorite Products & Services?

From 3.5 billion Reddit comments

There used to be a website called Rabb.it. Seems it is taken over now by Kast https://kast.gg/download.html.

I'm sure there are more sites rather than apps where people can group watch.

I'm game.

judging from trustpilot, they're legit. That said, there are quite a few 1* reviews because of no refunds, but I doubt that'll be much of a problem. There might be other (official? Idk if this is the main place to go) channels to get tickets through though