The combined terminal is estimated at about 5 years away, So probably more like 6-10. Sure, planning ahead is good, though the actual combined terminal isn't likely to make a difference for Qantas lounge setup as they're still going to want to be in the international section - my read is that it...
Mine also credited today, two flights on 3rd (though one was scheduled before midnight 2nd, delayed until early on 3rd). One domestic, one international.
I was on 71 last week, yes you do get access to the international lounge. I believe when it first opened it was only for QF9, but that has since changed.
Qantas to/from Emirates on separate tickets is still supposed to be fine:
https://www.qantas.com/agencyconnect/au/en/policy-and-guidelines/baggage-information/interline-and-through-checked-baggage.html#when-can-my-customers-bags-be-through-checked
The voucher has to be redeemed within 12 months, but the flights themselves can be anywhere within the available booking window at the time of redemption (so just shy of another 12 months).
20 segments, 13500 miles
New airports: YGGE, LVO, LNO, MKR, WUN
New airlines: Maroomba, Skippers, Cobham
Shortest flight: LVO - LNO (69 miles)
Pretty much just a work-sponsored tour of WA this year
1. False, as long as you're booked on a QF code, you get points/status as if it was a Qantas plane.
2. Yes, points upgrades are only available on QF operated flights.
3. Those three groups actually cover multiple fare buckets. Once the cheapest bucket in each group is sold out, the group moves...