Fretex I must say you were a disappointment. Many people compared this to red cross in Copenhagen or Goodwill in the USA, but you were neither. Think more quality clothing, much higher prices and no staff to be found.
This store carried men/womens clothing, shoes, and then downstairs is full of household goods, glassware, cds/dvds/boxsets, books, and knic knacks. So for variety of items they probably deserve a 5. But for location and prices of the items 1 star. Their stores are not easily accessible by public transit and therefore you need to have access to a car. They do not have sales here, or mark items down at all from what I saw.
I thrift shop all over the world and never have I seen such high prices for basic things, not even name brand items. Name brand items were costing 3 times as much as they would anywhere else in europe.
My overall opinion of Oslo's "thrift" arena is stay away. Hit the local flea markets in the schools instead, you won't be finding any bargains here. read more