Here’s an article from WP Mayor written by Lindsay Liedke which I thought you might find of interest.

As your WordPress website grows, your career begins to take off, and your sales increase, you might begin to wonder whether editing every element of your website live is a good idea.
And the truth is it isn’t worth the risk.
 Most website owners have made the mistake of updating even a small change on their live website only to have everything come crashing down. Oftentimes, the following result is the dreaded “white screen of death”.
Today we will discuss the various ways to set up a WordPress staging site in order to protect yourself from accidentally crashing your own website. This way, you can easily test your website changes without turning your website’s screen white, losing readers, and ultimately dooming sales as you clean up the mess made from clicking on a single button.

To read more head to https://www.wpmayor.com/create-wordpress-staging-site/

Till next time,
D