Suction cup caddies are great — if you prep the tile right.

A shower caddy with suction cups and a wall-mounted toothbrush holder are the cheapest, most flexible way to reclaim counter space in a tiny bathroom, but suction cups are notoriously finicky.

The reason most people hate suction cup caddies is they don’t prep the surface. You can’t just slap it on a damp wall and expect it to stay. Clean the tile with rubbing alcohol, let it dry completely, then press the cup on and hold for 30 seconds. Wait 24 hours before loading it up. That’s the difference between “this thing fell off at 2am” and “it’s been holding my shampoo for three years.”

For the toothbrush holder, I’d actually skip suction cups. Get one that uses a strong adhesive strip or a mounted bar. Toothbrushes are light, but the daily pull-and-replace motion loosens suction cups fast. The little adhesive wire