Get the Summary of Dana K. White's Decluttering at the Speed of Life
Sample Key Takeaways:
You do not need a bigger house; you need less clutter. When you declutter, your house automatically becomes bigger.
Containers are not for organizing. Containers should be what indicates to you how much stuff you can have. They should act as a limit; something to stop the spread of items.
Your house is a container in and of itself. Your closet shelves are containers, and once they are full, you know the maximum amount of clothes you can keep while maintaining a functional closet.