This is exactely the point i have raised on a number of occasions, the cost of caravanning has gone through the roof these past few years.
Like J&P states you can do it cheaper but if like us you want a newish van with a warranty for peace of mind then the costs soon mount up.
Last year our total outlay for the van including 65 nights away plus the depreciation, insurance, servicing,spares, extra for the bigger car, servicing for the bigger car, extra fuel for the bigger car, extra insurance for the bigger car and more road tax for the bigger car plus ferries to france came to a total of