Tip for a clean kitchen: Shampoo makes the sink shine. Mix a few drops of shampoo with warm water to clean tile, laminate, or linoleum floors.

The mild cleaning agent effectively removes dirt and makes the surfaces shine again. Use shampoo to clean tiles and grout in the bathroom or kitchen. Rinse aid is at least as versatile and not only cleans glasses but also shower cubicles and windows. If limescale cleaners fail, a dab of toothpaste will help.