The biggest mistake users make is using SketchUp's default "Colors." Stop.
If you are a freelancer or small studio, SketchUp Pro 2022 with V-Ray 5 is the ultimate "set it and forget it" production workhorse. It does not have the AI cloud rendering of 2025, but it has 100% stability and zero lag in the viewport. Sketchup Pro 2022 Vray