3rd property and how to structure the loans!

Hi all,

My idea for my next loan is this  – (feel free to offer advice and feedback!). 

I have my PPOR – Interest only as I intend to move out eventually.

I have one IP –  interest only.

I am about to settle on the third property (second IP) in one month 

So far the loans are simple. 2 x Interest only loans and a 100% offset account sitting against my PPOR. 

I don't have any cross-securitistation and the 2 loans are with the same bank.

I need to set up a LOC on my existing IP to use for any tax deductible expenses related to the IP. 

The third property that I am about to purchase – I would like to set up another LOC to borrow the 20% deposit (instead of using cash), Stamp duty, other tax deductible set up expenses and future expenses.  I don't think it matters which property this is LOC is set up against.  

I will use a different bank for the 80% balance of the loan so I don't have too many properties with the one bank.

Should I ensure that the latest purchase has no cross-securitisation also?

I have a professional package that allows me a free valuation. Although the bank valuations are low, am I best to get a current valuation if my properties have increased even slightly in value? Does that mean I will have more equity to purchase another property down the track? 

If I intend to eventually move out of my PPOR and make it an IP, can i set up a LOC to borrow the interest repayments thereby maximising this loan when I move out?

Thanks!