[...] This has been suggested before. The problem is that sets are not inventoried by booklet or bag but by part. The workaround is to part put a set a set partial in a Wantlist [...] (71 months ago, Jul 5, 2018, to Suggestions)
[...] You can add items in the cart to a Wantlist. [...] You can use the Buy tab search option a few times over and over, create a cart each time, then compare the carts [...] (73 months ago, May 19, 2018, to Suggestions)