As I'm planning my first Interrail, what do you suggest to budget for daily spendings (excluding accomodation)? I'm visiting Western European cities (Paris, Amsterdam, Berlin etc...) and I came to know that many museums and attractions are free, so food is basically the only concern and I'm willing to relay on supermarket food cooked in the hostel kitchen rather than restaurants. I was thinking to budget 30€ per day, but I found many videos telling that they spent a lot less per day excluding eating out.
I'm interested about this topic because I have a budget of 1300€ and I'm wandering if it's possible to visit 7 cities in 21 days instead of the 6 in 18 days I was thinking about (Paris, Amsterdam, Hamburg, Berlin, Prague, Vienna), maybe adding Budapest to the journey.
What do you think?