1) If memory serves Luftlande were meant to be the second wave, they could be flown into airfields once the Fallschirmjager had captured them.
2) The training is among the best in the German army. They are among the most highly motivated soldiers, and they believe they are the best and the most important.
3) From Green Devils the weapons the Germans would have in 1940
Mauser K98
Caliber: 7.92mm (8mm), Length: 43.6 inches, Weight: 9lbs
Maximum Range: 1200 meters, Feed System: 5 round integral box magazine, Rate of fire: 15rpm
MP40
Caliber: 9mm, Length: 33.5 inches ,Weight: 9lbs
Maximum Range: 300 meters, Feed System: 32 Round Detachable Magazine, Rate of fire: 400-500rpm
MG34
Caliber: 7.92mm, Length: 48 inches, Weight: 26.5lbs
Maximum Range: 800 meters, Feed System: Belt or Drum Fed, Rate of fire: 900rpm
4) Again from memory, I believe that they jumped low in the area of 300 to 500 feet, which was considered low by the Allies (on D-Day the airobrne jumped at 500 feet and thought they it was dangerously low)