YouTube 'Vancouver Carpenter' ....he's set the gold standard of YouTube drywall content.

Tips? V grove your seams. Apply a fill coat first, let that dry. Then do a really tight seam tape with fibafuze. Then start coating for aesthetics. Scrape between coats, only sand once. At the end.

Also. Take a tape measure and measure 12 inches from the left of the hole and make a pencil mark. The right. Top and bottom too. Now draw the biggest circle you can to connect all those dots. That's your finish line, when you're done your mud should be feathered out that far.

Edit: typo