I agree,,,,,they are about the same cost, and I checked EBAY too,,,,,
I generally color my image FIRST and then use the proper nestie to cut it out,,,,,I might want more negative space around the image, or I might want the nestie to come very very close to the image,,,,,but if I do not want my image on my embossed edge, all I have to do is line it up inside the opening,,,,,easy peasy.
And as much as I love the woman in the vid, I think she tends to dither a lot with all her products I don't know anyone who uses that technique, to be honest,,,,,,
each to her own, and IMHO, they all have some advantages and disadvantages,,,,shrugs. Glad there's a product for all of us!!!!!