• use empty tissue box for storing trash bag roll
• place router in an open-weave basket
• art/mirrors to hide electrical panels
• place everything in prettier containers (dish soap, laundry detergent, etc)
• spray dust with water mist before dusting

neat stuff:

• all-purpose cleaner (for bath & wood surfaces & floors)
• caulking compound/gun (Dichtungsmasse, Fugenpistole)
• cable channels (Kabelkanal)
• cable winders
• lidded baskets, including lidded laundry basket
• glass labels (Tafeletiketten)
• sandwich bags (e.g. Gefrierbeutel)
• drawer dividers (Schubladentrenner) / compression rods (Teleskopstange)
• adhesive rail shelf (selbstklebendes Schienenregal)
• cooking foil case (Kochfolienhülle)
• bottles that open automatically when tilted (for cooking oil etc)
• long storage baskets (langer Aufbewahrungskorb)
• fiskars scissors