Got a in a couple quick hunts with my ATpro. The fake ring was found at the beach and most everything else was pulled from our property. Still learning the machine.
Welcome to the forum. Looks like you are off to a good start in learning the detector. May I suggest a way to not dig so much of the large junk. While swinging over the target, raise the coil about 8 to 10 inches. If you still get a loud and strong signal, it is probably trash. The variety of your finds shows you are going to do very well. Good luck !!
You got a good start. The AT Pro is really a fun machine to hunt with. It has decent depth and will fill your finds pouch. Welcome to the forum and happy hunting.