"A few things went our way, but I was really pleased for the lads. They have been working really hard," he said.
"I know we are all pumped and everything like that but all we have done is bought a ticket to Auckland.
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"That's what we did. Great atmosphere [in Perth] and great for the players to get the win but in the bigger scheme of things, we have got ourselves a ticket to go there and take the opportunity that we're going to get given there.
"It was some game as well, there was plenty of action. When you get the atmosphere brewing it makes you want to do better and play better," he said.
While admitting to feeling sorry for Scott Barrett who was sent off just before halftime by referee Jerome Garces for dangerous contact to the head, he didn't think the fact the All Blacks were down to 14 men detracted from the win.
"Not a chance. When they have 15 on the field it feels like they have 20, so when they had 14 on the field it still feels like they had 17 or 18.
"They have threats, and you saw that. It's not like they weren't scoring tries.
"They have got so much potency in their team we didn't even talk about the guy getting sent off at halftime. Not a word. Because we know how good they are and that's a sucker punch if you start thinking like that."
Cheika said he was torn two ways on the decision. The referees had gone through the process as it is proscribed but he also felt for Barrett as well.
"We've changed a little bit in our game and there's still a lot of building to do. That's what we want to do this season, build one thing on top of the other," he said.
Captain Michael Hooper said: "It is certainly a nice hit of confidence and vindication of that style that we are playing.
"We won't buy too much into the records you're talking about. What we will buy into is the ability to keep pushing as the game went on, to keep playing the stuff that we are trying to work on and grow as a team, in attack and defence.
"There were still a heap of threats coming our way, momentum swings and we dealt well with that and stayed on plan, stayed on task," he said.
Hooper said with the contest against Sam Cane, Ardie Savea and Matt Todd he loved being in these games.
"I've been on both sides of the ledger and it's why you play, to be involved and be under the lights when these things happen. I enjoyed it. We had a few little run-ins. He [Savea] is a great player, I really respect how he plays the game," he said.