Being tidy involves putting things away. And I have found that putting things away is actually a two-step process:
Step one: Determine a good place to store your thing.
Step two: Whenever you are done using the thing, put the thing in that place.
Corollary to step one: When you purchase or otherwise obtain a thing, think about where it will be kept before you bring it home.
Corollaries to step two: (1) Inform your family and roommates of where that place is. Otherwise, the people you live with will believe you are just hiding the thing. They will not be pleased. (2) If you find that there's a better place to keep the thing, start keeping it there.*
These are the steps that work for me! Do you have storage strategies that work for you?
* We keep the spare tabletop behind the bedroom door. I know someone else who keeps theirs under the bed. Wherever works, dude. Wherever works.