The most common piece of advice that is given to new RV owners is to go out to a parking lot and practice backing up around cones. That is good and all but HOW should you setup the cones???
The maneuvers in this video are setup to teach control of the trailer, and build confidence in the driver. The best drivers are confident and relaxed.
This link shows diagrams of how to setup each maneuver. Yes these are the same backing maneuvers used to test CDL drivers. If new truck drivers can parallel park a semi truck, YOU can parallel park an RV.