return to home altitude

Hey All, I have what I hope is a simple question. I'm flying a Mavic 3, and the drones altitude is determined from the point of launch. My question is if I begin my flight from the base of a mountain, where the drone will register 0 feet AGL, and then fly it 5,000 feet up the mountain, from...

After three days of rain I'm getting prepped to retrieve my drone from 60 feet up in a tree. Since climbing the tree is out of the question and not accessible with any equipment, my only recourse is to try grappling. Therefore I've got myself a sling shot, 20 pound test fishing line, and led...