it is a ton of fun, make sure to review all of the details on the listing and account and chat with the owner by video beforehand
inpapercooking
Trusted house sitters and nomador
For either get the the highest membership tiers that include insurance, life saver if you have a delayed flight or last min emergency cancelation
For travel within the US the key to saving money is house sitting and pet sitting
Try trustedhousesitters and nomador
Watch a pet and you could stay for days, weeks, or months for free
There is a small annual fee but this option can save you a ton
Best option is to tell customs you're on vacation
There is also the E-3 Visa for Australian citizens, but it's a long term work visa
Focus on getting a job, any job, access to greater flexibility in roles tend to come with experience over time
There are a few job categories that may still allow for the flexibility you are looking for, but just keep this overall in mind
But it is expensive these days
Ciudad de Guanajuato