Looking for a light trails/single track bike – Focus Whistler?

Hi all,

Per the title. I’ve found this Focus Whistler 27.5 nearby, but I’ve never bought a secondhand bike. My research says the size is good, so it’s really about the deal.

How does this look for AU$250?

Listing is here: https://www.facebook.com/share/1W9AqhzicE/?mibextid=wwXIfr

Thanks in advance 🙏🏼