Your admittance into the U.S. depends on whether the immigration officer at the Customs believes you intend to return to Australia after your visit. They will look at every period of stay in the past year.
I'd be more concerned with the prior overstay. Even though it was only for a few days, CBP has broad discretion in who they admit to the US. If they let you in on November 4th, I would think you'd be allowed to re-enter in late December. It's all about whether the CBP officer believes you have the intent to stay temporarily or permanently. Be overly respectful when dealing with CBP.
If you can afford it, sure. You will also need good deal of luck not to be turned back on your second arrival.
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The only answer we can give you is MAYBE. Thats because the customs officials have a great deal of discretion in who they let it. How they will decide to let you in is whether they believe you are really going back to Australia at the conclusion of your trip. They may consider your prior overstay or they may not. They may ask you what you are doing in the U.S., or they may not. Chances are you will have to answer some questions about what you are doing here, why you are coming in again so soon after just being here. If they suspect that you are coming to the U.S. to live and work, they will not let you in and send you back to Australia. Review the B2 requirements below.
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