Costly tickets with frequently crashing webpage

I was eagerly looking forward for this rugby match. Being an ardent supporter of All Blacks, I decided to support my favourite team in the stadium. However, the passes were sold out at fast rate. I searched for other sources and finally came across instaticket selling the tickets. It was hard to load the site as the traffic was huge. But luckily, I managed signing in. The e-booking portal offered clear seating positions which helped me get the best seats. However, the tickets were pretty costly. A note of recommendation: book well in advance!