There is no limit to the length of the fill hose, I have fitted a fill point on either side of the van, using around 3m of fill hose.
Caz is very aware of initial outlay, and I am inclined to agree, but she would never have to even think about lifting a bottle, of any weight, ever again.
One way of looking at this is a refillable system remains your property, and when you change the van, you simply swap it over to the new one, so whilst it can be expensive t o fit initially, it can be a one time cost.
I must confess to loving my gas it system, it is so easy to just top up, on the way to a Meet and know that is one less thing to worry about.
I have also invested in the continental flling adaptors, including an inline gas filter, to take the worry out of travelling abroad.