Here's a great tip! To visit more and spend less in Strasbourg, your best ally is the Strasbourg City Card! The card is valid for 7 consecutive days so you'll have plenty of time to discover the city at your own pace.
Thanks to the Strasbourg City Card, you'll get discounts on lots of sightseeing and cultural activities such as a boat tour through Strasbourg, admission to the municipal museums, access to the platform of the cathedral, a guided tour in the sightseeing train, admission to the "Château Vodou" museum and more.
You can have it all – visit any sites that interest you!