New sources

https://www.flyertalk.com/forum/mileage-run-deals-372/
Google flights (Email parser?)
https://www.secretflying.com/posts/category/error-fare/

Monitor individual flights: https://www.google.com.au/flights#flt=BNE.LAX.2018-09-27;c:AUD;e:1;sd:1;t:f;tt:o