I generally phone or e-mail and just ask for a grass pitch with EHU for a folding camper...if there's any fuss about it, I just go somewhere else...I've only had one site who asked whether we were a front and back opener or an over the wheels opener...think it's because the over the wheels openers need poles to support the beds...I still didn't go.
As well is two words!
How does a sage know everything about everything? or does he? or does he just think he does?
Remember, if you buy something you bought it, not brought it.