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...
You’ve gotten some fantastic advice here and mine may pale by comparison but….if it isn’t fun, retirement is no time to do it. There are too many other things to do with and without a drone. Seek and find friend.
As a business there are a lot of financial records to manage Is your small business making a profit? Have you been filing IRS annual income taxes to include your business? If not, they I'd say you don't have business in flying. On the other...