We use Propeller at my full-time job, and I use Viizor for my side business. I see a product like this very useful for small to medium companies. It covers a missing niche where either the client has someone flying and processing data for them or...
Permanent NIST obstacle course built in including the advanced ones.
Wifi throughout
Places to charge batteries
Permanently marked control points for mapping practice
FPV courses
Bathrooms
Make it an FAA FRIA
Training props for learning workflows...