Originally Posted by
Forstbetrieb
I am not sure, but last time the 5 nights should cost me 6000 points because each night 1000 + 1000 for the posibility
So I would say no.
That sounds like a misinformed agent. The wording is quite clear:
"You can redeem just 1,000 StarpointsŪ for a certificate offering 50% off regular rack rates for a stay of up to five nights."