This crowd supplies tyres to retailers all over this state via parallel buying.
Some brands can be extremely cheap: others not so.
Over the years, I've gleaned that tyre places at Guilford, Punchbowl, Marrickville source their wheels and tyres from *cough
Service and attitude can be woeful (- as in, "take it or leave it"); sometimes condescending too.
I'd rather use Luke_GTR here on SAU nowadays; or Sujit of Tyrepower Hornsby.