I am on an E-3 working visa and I want to leave my job and travel around the US. I understand I can lodge a petition to USCIS with a form I-539, Change of Visa Status. I saw on their website:
Until you receive approval from USCIS, do not assume the status has been approved, and do not change your activity in the United States. For example, if you are currently a nonimmigrant tourist, do not begin attending school as a student until you have received authorization from USCIS to change your status. If you fail to maintain your nonimmigrant status, you may be barred from returning to and/or removed (deported) from the United States. Your authorized status and the date your status expires can be found in the lower right-hand corner of your Form I-94, Arrival-Departure Record.
Would it be risky to quit my job and start travelling before receiving approval for a change of status from USCIS?