If this were me: I'd be wary of two things.
1) Dropping down to land a number of times (to reset HP). What are the chances of landing in a dip, or hollow where there will be a physical obstruction between the controller antennae and the drone...
Grecian 2000 will make you look 20 years younger. Oil of Ulay will get rid of your wrinkles. Lynx body spray will make you irresistible to women. DJI batteries will give you a 45 minute flight time.
All of the above? Snake-oil claims.
With a proper PC: Look for an intel core i7: a dedicated GPU (8gb) and at least 16-32gb of RAM.
Not all editing software shunts the processing to the GPU - some video editors still put most of the pressure on the main processor.
If you prefer a...