A few random kinja tips. Add your own if you have them.
You can schedule posts for the future. Click on the timestamp that appears below your username at the top of the draft post and adjust then. Then the button at the bottom will say schedule instead of post. You can schedule it to publish at a future time and date.
GT has a ton of authors. If you move something to drafts, it’s still visible to everyone with authorship. If you want to keep a post, but make it “invisible” you can move it to your personal kinja and save in the drafts there. Then only you can see it.