Less than you would think. Short story, OSHA, I believe is at 6', we start at 4'. We wear a harness and strap ourselves to the boom at anything over that height. No need to when working in the belly of the truck, etc.etc.

They also just delivered a Miller Sky Orb to my shop. https://www.millerfallprotection.com/gallery2/d/31500-2/SkyORB+Aplication+4.jpg The only issue I have with the sky orb is I don't typically work on the wheels. I always work on trucks with the outriggers down. So I'll need to get out my counter weights to use it.

We already have the Genie and I have it heading my way next week.

But, I am still looking for platform suggestions. I like my old platform, I just need a modern version of it. It has to be an "off the shelf" item, no custom builds. And, for now, let's not worry about cost. The sky's the limit!