Do you have a business idea, or have you already started working as a self-employed professional without staff? If so, you can use the KVK Verdiencheck (income check) to work out whether you can earn enough to live on. Only available in Dutch.
You fill in 3 amounts: income, annual turnover, and business costs. That way, you are sure not to forget anything.
So you know exactly what to enter. Are you not sure about an amount? Fill in an estimate.
Plus handy tips on how you could earn more with your eenmanszaak. You can also save the results.