Thank you for the detailed description about how Steemit works, I do understand it!
Also thank you for your support! I really appreciate it!
I will mention you (and many other people) in a "Special Thanks" section, when I reach my goal.
I am currently very close to it, but it's mainly depending on the price of Steem and the Steem Dollars (SBD).

Currently (2018.04.23, 23:35 CEST) 1 Steem is $3,27 USD and $1 SBD is $3.33 USD.
My curation rewards is 0.17 Steem Power (currently $0.5559 USD) in the last 30 days and my author rewards are 1.62 Steem (currently $5.2974 USD) and $1.71 SBD (currently $5.6943 USD) in the last 30 days.
This is currently all in all $11.5476 USD in the last 30 days and I often put more than 1 hour of work into my posts and I rarely receive/get real comments, so I think that my frustration about Steemit is absolutely righteous.