Whether it’s in the bathroom or the kitchen, the cabinet under the sink can be a dumping ground for all sorts of items—toilet paper rolls, hair styling tools, cleaning supplies, you name it.

Instead of diving into the mess with no plans, I decided it would be best to phone my organizer friend. I sent a photo of the under-sink area to Tara Bremer, professional organizer and founder of ...

“Under-sink cabinets are uniquely challenging because ... the most on the side of the cabinet that matches your dominant hand. (If you’re right-handed, put your most-used products on the ...