1) Screen Options, Bulk Edit, and Quick Edit
-Screen Options is different on every most wp-admin page and may very likely be hiding that option you know was there the other day.
-Bulk editing can save many many clicks and heartache over processing time too
-Quick edit is much faster when you remember that what you want to change is there
2) Formatting keyboard shortcuts in the editor
https://codex.wordpress.org/Keyboard_Shortcuts#Formatting_Shortcuts
3) Getting nasty comments? There’s moderation for that:
https://teamowlbear.com/wp-admin/options-discussion.php
4) Static frontpages: some themes need you to set a static homepage, some don’t. Some will have a page template for the front page, some don’t.
6) Customizing a child theme? Not sure how to make a child theme?
https://github.com/woocommerce/theme-customisations
7) Boilerplate for making a Gutenberg block:
https://github.com/ahmadawais/Gutenberg-Boilerplate
8) CPT UI + ACF
https://wordpress.org/plugins/custom-post-type-ui/
https://wordpress.org/plugins/advanced-custom-fields/
9a) wphierarchy.com
9b) https://wordpress.org/plugins/what-the-file/
10) https://wordpress.stackexchange.com/
11) Files too big for media library? Add from server: https://wordpress.org/plugins/add-from-server/
12) Post editor: distraction free writing and 2nd line of toolbar
13) Magic oEmbed, try a facebook post’s or a YouTube video’s URL and watch the embed just appear.
https://codex.wordpress.org/Embeds#Okay.2C_So_What_Sites_Can_I_Embed_From.3F
14) Regular Custom Fields are also handy!
15) Database getting big? https://wordpress.org/plugins/wp-sweep/
16) https://flukeout.github.io/