General RC Content
There is a lot of basic information about owning and operating an RC that applies to both electric and nitro RCs. The links below provide a solid foundation of general knowledge that is applicable to both electric and nitro RCs.
The ULTIMATE RC Beginners Guide – A quality and comprehensive video on the basics of RC. Goes a little heavy into electric-specific RC topics, so you might want to skip over some of that content if you’re not interested.
Beginners Guide To Rc Car Tuning – This video covers the basics of tuning an RC car to optimize its performance for the terrain and type of driving you are doing.
How To Look After Your RC Car: Tips & Tricks, Best Practices – This guide was posted to Reddit and is a short rundown on the basics of cleaning and lubricating an RC car.
Nitro-Specific Content
The best video I’ve found that covers the basics of owning and operating a nitro RC is this one by Redcat Racing on YouTube.