lol. I'm not sure if anyone has done this math, but based on the dev response of ~20,000gil/day average per person

Assuming:
-All members donate weekly earnings.
-All members subject to 5-day "work" week.
-312,000,000 for the largest high-class on my server (plot only, does not factor building cost)

312,000,000 / (20,000*5*n) = number of weeks to purchase land

where n = number of FC members.

So, with a moderate sized raiding FC like mine (24-30 members w/ 3 active Coil Groups), we can produce 3,000,000gil a week: were looking at 104 weeks before we are able to purchase a plot.

Now this doesn't account for value depreciation, but lets assume 50% depreciation over some number of months (actual number irrelevant as it will take us 2 years to build base value) we can cut it down to 52 weeks with full discount. So this time next year?

Better idea, we max out Freecompany, 512 members all paying 100,000/week. 51.2m/week! we could have the damn thing in ONLY 6.09 weeks!