I think the most important thing I took away from the numbers I crunched below is that it just might be more worthwhile to pick up gangsaw before you pick up hunting dogs
The following is an analysis of the payoff time of some gathering upgrades (settlers):
Hunting Dogs = 1.1*gather rate
Cost: 50 wood, 50 gold = 183.3 workticks
Repayment: 1833 workticks = 1539.72 food
That is once you've collected 1539.72 food off huntables the upgrade is now giving you a profit.
Steel Traps = 1.2*gather rate
Cost: 125 wood, 125 gold
Repayment: 1.25* that of hunting dogs. That is you must harvest 1924.65 food for this to have been a worthwhile investment.
Gangsaw = 1.1*gather rate
Cost: 100 food = 119 workticks
Repayment: 595 wood
It's interesting to note just how fast this one pays for itself.
Log Flume = 1.2*gather rate
Cost: 150 food, 250 gold = 595.24 workticks
Repayment: 1488.1 wood harvested
Placer Mines = 1.1*gather rate
Cost: 75 wood, 75 food = 239.29 workticks
Repayment: 1435.7 gold
Amalgamation = 1.2*gather rate
Cost: 200 food, 200 wood = 638.1 workticks
Repayment: 1914.3 gold
That was some quick edits. I'm sure I'll find more mistakes...
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Breakeven point: Gather Rate Techs - Age Auto-upgrades
[This message has been edited by wyveric (edited 01-26-2006 @ 04:26 AM).]