Thank you @eastgate and @mwra! That is a lot of information to digest! And also thank you @satikusala! I appreciate all of your offers and suggestions and the time you took to help me solve my issue. I will need some time to wrap my head around your responses and soon will get back to you 
But please allow me to get a bit off-topic: I am daily following this community (and your excellent videos @satikusala) since December last year and it already helped me a lot to understand the potential of Tinderbox. And as @satikusala mentioned in some of his videos and meetups: My thinking is already changing