I am a bit torn here - it takes 10,000 points to get a free night at the Westin Sydney, but about AUD 225 for the night's stay (and get free breakfast - a prepaid rate). Is it more economical to pay for it, and save the points? Or is it the other way around?

I will be staying there one night (this free stay), then come back in a few more days to stay again (paid). I probably have about 6 nights so far this year.

Thank you in advance for your help!