Better not own a driver's license, telephone, credit card, drive on a US Interstate highway, have a mortgage or a lease, or order anything online.
I would be more concerned about rogue data brokers selling personal identifying information online...
DJI will always send you a refurb BUT That refurb should look brand new (no blemishes) I would contact DJI and send them pics of the questionable areas. DJI does NOT repair drones they only send refurbs back as repairs. The only DJI drones that...
Doesn't seem like a difficult decision. My rational is to always go forward; not backward. So, go for the newer technology, and not old used technology. If another drone really is important, then find a way to pay for it, or maybe another...
If DJI claims <250 g I would accept that; there is no need to weigh the drone.
Do you ever check a consumer product to verify the weight or volume stated on the label is correct? If you see no need to verify a consumer product labeling quantity...