@scmwiz Thank you for your comments. Although I did not quite get what you mean by “curve fitting” and “packing a test script”, I think I get your tip that I must make an estimate of of the time, space and size at various note counts (1k, 2k etc.)
As for your second point, as mentioned in my replies to @ksandvik and @randulfr I have a lot of notes from the past saved in various places. Although linkages are new for me, I have been tagging my notes (like in Pocket or Evernote) and saving into various folders/notebooks like in Instapaper or OneNote. As you may be aware, some allow tags, some folders and some both. Obsidian got me excited because it allows me to save all my notes in my local drive and also use Tags, Folders and Linkages (couldn’t ask for more!).
I agree shorter notes take more clicks, but on the other hand is easy to grasp and with Obsidian’s feature to split the screen into multiple note-panes it feels all the more better. Anyway, as mentioned in my earlier replies, finding a system to merge notes in something that I will have to think about going forward.