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Arnold's contract expired when his Socceroos ended their FIFA World Cup campaign with a 2-1 loss to heavyweights Argentina in a knockout bout in Qatar.
"I just want to go away, have a good holiday, have a break and see what happens," he said.
"I have worked extremely hard this campaign to get to where we have got.
"I haven't even thought about it (my future).
"I need a rest and no doubt I will have good discussions then with the organisation."
But Arnold is adamant - despite the success of emulating the fabled 2006 Socceroos in reaching the round of 16 at a World Cup, the structure of football in Australia must change.
For starters, he wants more government money, chiefly for junior development, and more games and more clubs in the domestic A-Leagues competition.
"We need to spend money and get help from the government to put some money into the game to help develop kids," Arnold said.
"One thing I would really love to see before I finish up completely in football is the government build us a house.
"We don't have a home. We have been homeless since I have been involved for 37 years in the national teams.
"We need a home, a facility like ... the AIS (Australian Institute of Sport), something that the government can help fund for the development of the national teams but also for the good of Australian football."
Arnold, who was almost sacked last March as Australia's qualifying campaign wobbled, has now overseen the nation's most successful World Cup.
For the first time, the Socceroos won two games at a single edition of the tournament and kept consecutive clean sheets.
And his world No.38 outfit gave Argentina, the world No.3 boasting all-time great Lionel Messi, a serious scare in their knockout fixture.
"It's probably me, it's the way I am. Even though we have ... been successful, I feel like we've failed tonight," he said.
"I just wanted to win so badly for the nation and for the fans and for the game of football in Australia.
"Making the last 16 for me wasn't enough. I wanted more, but that's just me.
"I know a lot of other people might be happy with it but that's just the way I am."
