Buying parts in Briso?

I need to get some parts, brake pads, oil, that sort of thing, and I was wondering if anyone could give me some advice on where to get them around brisbane without getting "ripped off" too much and without a delay of 3 days. I have been shopping several times already, to various bikeshops like Whales, Bayside kwaka and moorooka yamaha and half the time the bit I want has to be "brought in" from somewhere. Also, do you haggle the price with the shops? I get deals nearly everywhere except woolies when I buy other stuff but for some reason I haven't hassled the bikeshop people for a discount. "Probably afraid they'll put iron filings in my oil 
