Protect circulation
Walking space is functional space, not waste.
Use broader categories
Tiny subcategories can consume more organizers than the room can support.
Use height before adding furniture
Vertical storage can reduce floor footprint when installed appropriately.
Keep active storage accessible
Hidden cavities are not useful when items cannot be retrieved.
Practical boundary. Measure first, respect product load limits, and do not improvise wall, ceiling or overhead installations when the structure or appropriate hardware is uncertain.