A non-member of the committee can’t vote on a committee decision. However, under Section 19 of the strata Act, if you can muster 25 per cent of the votes, you can insist on a general meeting being called within 14 days.
The sole item on the agnda would be to instruct the committee to consider more quotes. Remember, the owners corporation tells the committee what to do, not the other way round.
In fact, just the threat of that may make the other committee owners reconsider their positions