I've been kondoing for a year.
We have a cleaner every 2nd Tuesday and a year ago we would tidy frantically on Sunday & Monday to move stuff for the cleaner. Yesterday, I did no tidying at all because the house is always tidy, thanks to MK.
My bedroom just needs new curtains and it will look like a hotel room. Its a sanctuary but so is the rest of the house. 3 yr old DS puts his own toys away and cherishes them. He can't quite dress himself but can choose his own clothes from his drawers every day (he's like a joyful rainbow)!
DH kondoed his job and after 2 weeks started one he gets joy from. I became more focussed at work and I got a payrise I'd been trying for for 2 years. I hope to be promoted this year because I'm now being described as driven instead of distracted.
We got a skip, did 2 car boots, probably 8 car loads to charity (and still I find more that is going), numerous trips to the tip, returned anything that belongs to other people for them to keep/dispose of.
I have some cutlery to Kondo plus paperwork and DH has the garage to do but I can definitely say life after Kondo is so goooood!
Baby No 2 is due shortly and I have gained 0lbs (yes zero) so my wardrobe will begin from scratch once I'm out of maternity leggings with smaller clothes that spark joy. Joyful joyful!