Potential savings I see here!
Hey, @1000000CHF, list your place on Airbnb and rent a room from time to time, that will help you optimize that
That’s quite high! …to put things in perspective, that’s the equivalent of 325 beers. If you’re a beer drinker Aldi beer is the best pilsen in Switzerland (0.45 CHF) and it’s actually produced by “feldschlösschen”
Do you know Duolingo
235 x 12 = 2,820 p/y 
Do you know “Caritas” or “RedCross” they have an amazing library, I have found some very interesting books for pennies
Go with Migros and accumulate points = money
Good luck!