Talk:Gold Mine/@comment-92.41.185.225-20130219072923

It should really be MINIMAL time to profitability in the table.

Because you can never reap the full stated amount from mines and collectors.

Based on my experience you get looted many times a day, so assumming all the attackers attacking you are decent enough to give you a 12 hour shield. In each 12 hour cycle, you can only get at most 50% of the resource collected. If you take into account of attackers stealing a mine or collector without giving you a shield and some other attacker can attack you again thereafter and steal more, you are looking at much less than 50%.

So really, the real time to profitability for level 11 mines for example should be at least 50 days.

UNLESS you play the game for 25 days straight without ever sleeping.