I would ask about your Budget. DJI Drones are priced very cheap so as far as "competition" for the type of Drone you will be hard pressed to find anything close.
DJI however is not the industry standard for filming. If you want to pursue a...
The fact that you do this type of flying requires a Part 107 certificate in the first place. I wouldn't worry about going over 250g as any Part 107 operation requires a registered aircraft.
Worked with a park naturalist for a local preserve, and got the idea to create an Educational Video, after watching them use prescribed burns in the meadow. Local Indigenous history covers Cultural Burns and Native Agriculture, then details...