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...