Estimated Points for Comp on Carnival/Princess?

[FamilyAtSea.travel]

I know these lines aren't transparent about their comps, but are their any educated guesses as to how many points are needed to accrue on a 7-day cruise to get a comp? 

[roxievegas]

we have only been on Princess for the past 6 -7 years.  Both my husband and I gamble

on  7 day cruise we may get between 3,000 - 4,000 points.  Early that would get us a free balony and some free play ($400)

now all offers are for inside and we have to pay to upgrade to oceanview or balcony and the free play is $250

[memoak]

For a free balcony it looks like 7,000 plus is realistic 

[roxievegas]

1 hour ago, memoak said:

For a free balcony it looks like 7,000 plus is realistic 

I wish Princess would combined couples in the same room.  My husband and I do over 8,000 points, but we individually get the inside offer and free play.  I would like the free balcony.