And, far faster than any of us thought, the hammer falls...
Truly a devastatingly tragic day for the entire US drone hobby. So sorry for everyone it affects :(
That screenie taken from the actual FCC web site.
As others have said, yes you have to register it.
Can you sell your photos? It depends.
If you're going to go out and fly to get photos for sale, then yes you need your Remote Pilot Certificate (a.k.a. 107). If someone reaches out to you after...