Hi,
Thank you for this product. It has made our life easier.
I,ve made some customizations so far to meet our exact needs and it has been great.
The same issue remains unresolved for me too : we do not know all the time the final price when making the delivery, and if price changes i cannot change price on existing Delivery before invoicing it.
I know a thing or two about PHP...is there a way you could help me change this? (to be able to change the price on delivery)
Maybe help me with some code or something like that 
Thank you very much
Suba Levente