My spending is < 15% of my income, so I'm going to start going the other way.
But yes, these work great.
Also investing in white shirts and doing adventures instead of going shopping to eating out.
Yes! We do more hiking trips.
I've also got us down to low running-costs, which is why I'm reevaluating what to do with the remainder. Do you find that you feel a desire to spend the money differently, than before?