Yes all above is great advice,
Clients that have been in the property cycle for a while as Richard and Terry would attest to, use borrowed money to borrow
more(more investment property) ensuring it is all tax deductible.
Like Richard said everyone's situation is different however interest only is usually the best option to free up cashflow and then draw on equity in due time. As with todays rise, staying on a floating rate is becoming more and more cost efficient, this is perfect for offsett accounts and interest only loans.
I just wrote an article(very basic) about interest only loans on site below(make sure to return to forum though!!)
(go to blog once on site……)