You need crockery for your apartment, a wardrobe, or a used vacuum cleaner? Have a look at the second-hand store “Fairkauf” or the Warenbörse (merchandise exchange) of the Wertstoffhof (recycling depot) . Both are Caritas initiatives where you can find great bargains from time to time.
In Switzerland we recommend the Brockenhaus, called “Brocki” by everyone (there are two inKreuzlingen!).