NZ TAB could afford to have the Chiefs at +6.5 and they'd still sell them successfully to the mountain of one eyed NZ rugby supporters, yet to a biased market their line is exactly the same as the line for a neutral market.
things that make you go hmmm....
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NZ TAB has Chiefs +7.5
Centrebet has Chiefs +7.5
NZ TAB could afford to have the Chiefs at +6.5 and they'd still sell them successfully to the mountain of one eyed NZ rugby supporters, yet to a biased market their line is exactly the same as the line for a neutral market.