Here's the few tutorials I've made over the past few years. The rule of thumb - keep it concise, and only do a tut if no-one else has covered it. Project files are available to buy/download over at my Gumroad page.
Explode Voronoi Fractures Like A Boss Tutorials
Make a Japanese Sign in Cinema 4D and Octane Tutorials
Power Animation with Pose Morphs Tutorials
Rigging Gears and Pistons Tutorials