Hello @bambuka, what a detailed analysis !! There is lot to learn from you.
By the way, the line free cheese usually lies in a mousetrap has become my favorite quote since I joined Steemit. I started to use that (with mention of your name. I know about plagiarism as I completed my Achievement-3)
This phrase does not belong to me. I myself heard it once and now I use it sometimes. Here we have the same case. In life, you have to pay for everything ... one way or another.