The problem with the rest of the forum not getting the results is that we're not sure they were taken care of properly. Since Good Sam has a reputation for helping RVers who have gotten poor service or products and then writing about it in the magaz...
We had one and needed it until we added Level-up to our Montana (38'). On the other hand we have a Washer/Dryer combo in the front along with our main closet in the bedroom and without the jack the whole trailer would shake.
I've had it for a couple of months and I do like it and use it. For some of the reasons mentioned above there are a few other Campsite apps I use more. At this point yours is only a backup.