Zurich

Here's an ideal itinerary for 2 days in Zurich that includes all your constraints:

Day 1:

• Morning: Start your day with a visit to the famous flea market at Bürkliplatz. This is a great place to find unique and affordable items, including vintage clothing and accessories.
• Afternoon: Head over to the Lindt Chocolate Factory Outlet in Kilchberg, just a short train ride from Zurich. Here you can indulge in some of the best Swiss chocolate at discounted prices.
• Evening: Take a stroll along the Limmat River and enjoy the beautiful views of the city. You can also catch some live music at one of the many bars and clubs in the area.

Day 2:

• Morning: Start your day with a visit to the Uetliberg mountain, which offers stunning panoramic views of the city. You can take a train or hike up to the top.
• Afternoon: Visit the trendy district of Zurich West, where you'll find plenty of beautiful people and hip cafes. Check out Frau Gerolds Garten, a popular outdoor bar and restaurant with a relaxed atmosphere.
• Evening: End your trip with a visit to the Zurich Opera House, which hosts world-class performances throughout the year. It's a great way to experience the city's cultural scene before heading home.

I hope this itinerary helps you make the most of your time in Zurich!