Most build videos show you the what. This one shows you the how. ILoveBuildingThings has been documenting a GrandDaddy build in real detail, and it is a gift if you are about to cut your own steel.
The standout is a simple way to set a wood miter saw fence so your steel angle cuts land where the plans want them. There is a second video walking through the BMIKarts parts kit, and a third where he fabricates the front A-arms with a 3D-printed jig.
If you learn better by watching someone measure twice, this series earns the time. The plans he is following are the GrandDaddy.
Watch the full build