The only problem I see here is that
in order to post on particular days at particular times ...
I need to be physically PRESENT in front of my computer at that particular time to copy-paste content, check it for formatting errors and press [POST]
On other platforms, even something as lowly as blogger.com, I can format my post and add graphics many days or weeks ahead of time. I am confident that everything will appear correctly formatted at the designated time. Steemit seems like a VERY clumsy tool.