I think very few people can afford to replace everything that doesn't spark joy.
However, i think the process does give you a clearer idea of what you really like and value, and then you can begin to replace things over time. The list is a good idea, and I think I'll be doing similar.
I'm actually looking forward to doing paperwork, am I weird?
plipplops according to the book, you should only keep a small folder or so of papers, is there any chance that you won't actually need a filing cabinet at all, once you've finished?
I did the kids' books last week, and the last of the baby paraphernalia. i thought I'd get to toys as well as I had a few days off but even doing the books has made a big difference in their rooms.
Ds1 came down one morning last week, and said that the best thing about 'Marie Kondoing' your clothes is that you can see straight away what you want to wear.
He's a very messy and disorganised seven year old so if he can see the benefit then it makes it all worthwhile.