I'm certainly glad that I had it done!
The CGI guys are first rate both in the work that they do and the kind of people they are. I only wish that there were more people of their age with the kind of work ethic and attitude they have.
The cost is basically a "push" for me and most of the people I've talked to. If you have someone that does a good job of polishing and waxing your Oliver you are fortunate but these people are not cheap. Sure, if you do the job yourself, you (hopefully) do the job right, but the time and effort are expensive in terms of what you are missing and how hard you are working. I've never had an "easy" place to wash and wax my Ollie. Since Twist is located in a storage yard I needed to make several trips back and forth all the while hoping that the weather would cooperate with my schedule. Now that its been coated it is much easier to wash and shines better than ever. Also, while on the road, the bugs are easier to get off.
This depends a bit on how you take care of the trailer. If you do not live in a place like south Florida or Arizona and keep the Ollie clean (i.e. keep the bugs off and keep it washed or covered) the coating will last longer. But, then again, if you live in a relatively harsh environment you would probably need to wax more often too. From my experience, it seems that my coating will last well into two years and possibly three before needing to be redone. But, I just might have the CGI guys do a refresh this coming year because the Ollie has never been so shiny as it is after they get done with it.
Bill