National Party seems to started campaigning, highlights so far:

Drill baby, drill.  Because... why?  It's okay - we know why.
Flog an extra couple of years work out of the elderly - but that's OK, apparently, because Bridges would have to wait an extra couple of years too.
"We'll eliminate two old regulations for every new one we introduce" I wonder where they got that idea?  No - I don't need to wonder - almost verbatim.
Vague promises of tax cuts.
90 day trials reintroduced, despite no evidence at all that they improved employment rates.