$250 USD to build
$150 increasing to $1500USD to upgrade from level 1 to 10
Gives $100,000 every 3 hours for level 1 to suck you in to upgrading, but pays $3 at random intervals from 7 days to 4 months when fully upgraded, if at all.
Starts out requiring 1 square to build but bloats to 110% of base space by final upgrade.
Bonus unit is +38% to aggravation, payable to 15% of players selected at random on iOS and no one on android.