they could ask more questions, it always depends on the officer. Definitely have a return ticket! I would also bring a copy of the job contract, maybe insurances you still have, the lease contract if you have one and/or other proof that you have strong ties to your home country still!

it's not because your i-130 is approved that the process is over so if you got your embassy appointment, I'd say print a copy of your interview date and say you have to return anyway

@B G with the way things are going I doubt I’ll have an interview date by then, australia is really slow at the moment

have all your documents to prove that you are in the process, but I went to USA during the process and they never ask me anything about it.

@Jacob Needham My husband and I are thinking about doing this same thing after the I130 is approved in about 2 months. I am a teacher, so I have to find a new job for August. If he doesn’t have his embassy appointment by August he will just come with me on his visitor visa for a month or two and then return for his appt. Just be prepared for more questions and proof that you are returning. I have stayed here in Honduras during the I130 process so we would not be separated, but I need to reestablish domicile. Many people traveled on Visitor Visas without issue.