May I join you please?!
I've just finished reading through this thread (will start on the others at some point!!) and feel so inspired by your achievements so far.
I downloaded the book a couple of days ago and have read a couple of chapters. I have made a start on my clothes. Yesterday, I sent 3 bags of clothes to the charity shop, 1 bag of clothes to a friend (not strictly allowed, sorry), 25 items listed on eBay (3 sold already!!), 1 bag of rags and 1 bag of rubbish.
Unfortunately, this has barely scratched the surface but it is definitely a step in the right direction.
This morning, I taught 12 years old DS how to fold his clothes...he looked like this ->
but I will continue to nag-- encourage him and he will eventually get the hang of it 
He has given me permission to get rid of some of his Playmobil collection but that will have to wait until I have a couple of free days because there is a lot!! I was going to get him to sort through his soft toy collection but i think that might be too soon for him. I'm not a fan of them and have asked many times for them to be culled but he loves them all...he might have gone off them a bit now he's 12 and a half!!!!! I can see that some do give him great joy but there are a lot that just sit at the bottom of the true and never see the light of day.
I have an hour and a half left to do some more chucking/sorting but not quite sure where to go next 