Here is a heavy payload drone made for your serious projects. The Alta X can fly a Movi Carbon (20lb) for over 20 minutes. With smaller loads, you can go for up to 40 minutes. The drone folds to half its normal size with the push of a finger.
The Alta X can carry loads up to 35lbs. It has altitude, position, mission, loiter, orbit, return, and manual flight modes. It can carry a gimbal, LED lights, LiDAR sensors, and everything in between. The below video shows what you can do with something like this: