I use Rotary Power every day and go from panel to panel without stopping.
You just have to think about this and use common sense here..
Look at the 2 panels where they meet, and determine if one panel edge is higher or farther out than the other. If this is the case, then you need to be extra careful of the panel that sticks out farther and not get the pad in there...
It IS ok to lift up on the machine as you move the pad onto the next panel, and avoid putting the pad in between the edges..
Since you have a finger on the trigger, it is also ok to slow down the Rotary as you get closer to the edges of panels, door edges, etc..
If you need to correct close to an edge, well, go do it.. Just be careful to not spend a lot of time there...
I do not use or need high speeds to get great correction with a Rotary.. You shouldnt either.. This will also help keep the thin painted areas (edges) safer..
If its a door edge, and it has been hammered a lot and the paint is already really thin looking and missing, then it is also ok to take some 1/8" tape and run it down the edge with as little tape as possible on good paint..
Tell us what experience you have with a Rotary and what compounds you have used successfully...
Then tell us what car you are working on -year, make, color, and if possible post a few pics of the paint that you want to correct, or have corrected..
DanF
