Income source	Where does the money go?	Can the money stay there? what needs to happen with it?	Where/how is the invoice generated?	Where is the reporting of this income happening?	Efficiency/tension check
external bookings	monerium		google spreadsheet - manual work	winbooks
memberships	stripe		google spreadsheet	winbooks
drinks from fridge	Brussels Pay			winbooks
events	stripe			winbooks
investments	monerium			winbooks	needs overview
donations	open collective - monerium or stripe		needs a receipt	winbooks

Expenses flow	How did the expense reach us?	How does the expense get paid?	Where/how is the invoice generated?	Where is the reporting of this expense happening?	Efficiency/tension check