I appear to have fixed the problem by using the andriod app.
I dont think the currency solution was the issue although I do think it interfered. Everything was set to AUD both in settings and on calender but it still showed $50 anight for more than week stay despite the fact that I set it to 0 discount. I had to also turn of the long term stay to make sure it came up with $65 a night even on long stays.
Airbnb seems to prefill columns and have hidden settings that I cannot find.
Still cannot find any contact details for airbnb as it just keeps taking me to this community forum or contact details for guests.
I would like to see Airbnb's business model as theres no way this confusion is by accident.
Check out Airbnbhell.com and there apears that there is or was a chatroom available. But its nowhere to be seen now. The seach bar just sends you in circles
Oh well I'll use Airbnb while it is convenient for me.
Mark