So I just got my first Technic and I noticed that it seems easy to make it an RC. But I don't know where to start..

The first technic I bought was the Ford Bronco. I've seen videos of it being an RC. I've been searching on how to, but most of the links I see are paywalled, just show the parts and barely explain it, where goes where. Like is there a full beginner tutorial on how these RC motors work?? I know I can just pull the trigger and buy some but I might regret it since I've seen some discussions about these motors and some are overpriced lol. Like how would I know I just built one. I'm so lost but I...