My Mav3 Pro flew into a river. I used Flyaway to order a replacement. They sent the replacement with a DJI baseball cap, then DJI called to tell me they were sending an email with a coupon for a battery. I figured $10 off but..it was for a FREE...
the biggest question I have is the antenna. it doesn't appear that they can be adjusted so it would require you hold the body with the sticks in a particular position in order to have them optimally lined up for best transmission.
If you are shooting DNG then it may require further post processing of sharpness. JPG are processed further and that processing often includes sharpening. Also be aware that every factory run of lenses will have some variation in them. High...