There are many helpful resources available for new and established authors. A couple of my favorite ones that offer a lot of various tips are Kindlepreneur.com and Janefriedman.com.
Here are a couple of items that interested me recently.
Republish vs Update a Book: Which One is Better? https://kindlepreneur.com/republish-vs-update/
The Vital Difference Between Plot and Story – And Why You Need Both https://www.janefriedman.com/the-vital-difference-between-plot-and-storyand-why-you-need-both/?utm_source=ActiveCampaign&utm_medium=email&utm_content=Weekly+Blog+Digest&utm_campaign=Weekly+Blog+Digest+2+0