Yes, you are correct Robert, for the last few days I have been getting quotes for the "signature required" option and the prices seemed to stay the same except for this morning.  Why should getting the signature option mean that the prices can change whenever they like?

And once again the courier price yesterday was $5.62, today it has gone up to $7.57 - a difference of $1.95 of which I will have to pay for on an item that was sold for $5.50.  What is the point!!!!!!