The difference is the tenant is paying the interest occurred on the lump sum amount I took out of the IP with the weekly rent.
??? i either misunderstood your questions or there's some confusion on how this works...
1. Say the tenants pays $400 pw rent...this would go into your offset account which would offset the mortgage ( Ppor or IP)
2. Getting Equity out from your IP to pay down your PPOR is just asking for trouble as your mixing your taxable debt...
ANY borrowed funds ( regardless of the security) can only be tax deductible if the purpose is used for Investment purposes.....
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2 scenario.
scenario1: Take out some equity from IP and used the funds to purchase other IP = OK
scenario 2: Take out some equity from IP and have the funds sitting there against the same IP = OK
scenario 3: Take out some equity from IP and have the funds sitting in the Offset account that's secured against the PPOR - a big no....as your mixing cash with borrowed funds for 2 diff purposes UNLESS you plan on using the equity for personal reasons as well?
and even if you use it for personal reasons you can't claim the interest on the IP equity anyway.....
End of the day,
what are you trying to achieve? why do you want to take out funds from your IP and have it sitting in the PPOR offset VS it sitting in it's own IP offset?? There's more than one way to skin a chicken, so if you enlighten us on what your trying to achieve might be able to give you a few options.