Use two expandable shower curtain rods set at an angle to make better use of the space above your washer and dryer. Adjust their separation so that plastic storage bins can span the distance but still rest on the rails via their handles.

Cut paper towel tubes lengthwise to keep wrapping paper from unwrapping

Use state of the art Sugru to make custom hooks you can apply just about anywhere. Step-by-step details available through the via link above.

Use a toilet paper roll to store small extension cords.

Use a small magnet on the inside of your medicine cabinet to make your tweezers easy to find.