YAY! Glad you both had the skills to fix what was broken, and didn’t have anything broken that you couldn’t repair 
If you run the Camera Calibration you may find significuant improvement in being able to place (and re-place) items on your cutting bed.
I’m trying to remember all the truly important things that have changed over the past 5 years, there have been so many updates since 2017! This might be worth scrolling through (newest ones are first):