Not sure if you have seen it but the FAA have proposed new rules for UAVs that will require remote transponders. This can have many consequences for drone pilots including additional costs and can really harm hobbyist and commercial drone usage. You can find more information and a link to give...
Thought Id share the tutorial here.
https://dronephotographybible.com/how-to-shoot-and-post-process-a-day-to-night-hyperlapse-the-holy-grail-technique/
It looks pretty detailed.
Sign up to their mailing list ands found it in my emails this morning.
Going to try it myself on the weekend...
Found the following link and thought it may be of interest.
Goes into a decent amount of depth and compares the Mini, Spark and Air.
https://dronephotographybible.com/would-you-buy-the-mavic-mini/