We typically do roof inspections from 20-30ft above the roof with a gimbal angle of 75deg and around 8mph. I also do a crabwalk around the perimeter catching the top 3rd of the face of wall. If it is a commercial building with rooftop HVAC units...
I don't think their launch went well as we got bombarded with emails regarding a pre-register with only 100 spots prior to the launch. I figured they'd want money so I never clicked on them. I think we received 3 emails in the hours leading up...