Everything already live on Instagram and Facebook, newest first. Work down the list; the page remembers what you have marked done. Post at business.google.com → pick the location → Add update. Nothing here publishes itself — the Business Profile API request is still un-allowlisted.
Before you blast all 77: Google stamps every post with the date you publish it, so a backlog posted in one sitting all lands as today and buries itself. 17 of these name a specific day and will read wrong. 2 have no usable image. A few of the strongest, spaced out, does more for the listing than all of them at once.
No usable image
No usable image