I watched Terry Rowland's 3 part YouTube video of her process for the scrapbuster Colourwash quilt...the first time I have found a scrapbuster that worked for me! Most are too much work! And Terry's approach works well as a leaders and enders category as well:
https://www.youtube.com/watch?v=2UQE5SlOLqg
And then...what to do with all those trimmings?? The ones too small to quilt with? I found this video featuring Carola of Carola's Quilt Shop. At 36:02 in the video is a great use for all those scraps that are just too small for sewing up. Sort them by colour and then sprinkle them between two sheets of water soluble stabilizer and stitch:
https://www.youtube.com/watch?v=J-45pOxAqfw&t=2350s