Shops close early! Most supermarkets close around 8 PM, and almost everything is closed on Sundays, so plan ahead.
Cash is still king. Not all shops or restaurants accept cards, especially smaller places. Always carry some euros.Like döner Shops or Festivals.
Discount supermarkets like Aldi, Lidl, or Penny offer great prices.
Pfand system: Bottles and cans have a small deposit (usually €0.25). Return them at machines in supermarkets for cashback.
Flea markets (Flohmarkt) are fun and popular — you can find clothes, vintage items, or even bikes for cheap.