Grabaseat
I’m a big fan of Grabaseat deals, although I’ve still never managed to snag myself a $1 fare. The cheapest I got was a $18 fare to Hamilton which I needed to get enough status points to qualify for Air New Zealand Silver frequent flyer status. Normally grabaseat deals are the cheapest flights you can get either domestically or internationally. Not always though. Apparently sometimes you’re better off not taking the grabaseat deal: