You are my ideal target to farm. Keep popping them shields.
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The math is clear about BEP, indifference point, point of return, whatever you call it.
The point about collection return within a shield, if you don't pop it, is also true...
But, ever find yourself in a mad rush to farm and suddenly find yourself low on elix and can't farm anymore? I did in my earlier days... and damn, was I glad that my pumps mined some elix so I could farm again. How do you price out that shorter waiting period? Like the Am Ex advertisement, "priceless"...
This is not relevant for me now, as my troops are all maxed out and I don't need elix anymore and my storage tanks are full... but I remember the younger days when I was TH8 in diapers, oh I was such a cute CoC baby...
Illustris the Grandfather
I think you guys are looking at this the wrong way. Instead of being selfish think about the playing community as a whole...
There are two ways to introduce resources into the game, using gems and mines/pumps. Upgrading your mines/pumps brings more resources into the game. Low level mines and pumps are a huge contributor to the lack of resources that has many players complaining about the state of the game.
If none of us upgraded past level 7 then there wouldn't be enough resources in the game for us all to keep our builders busy. Why else would the upgrade price for high level mines and pumps be so relatively low?
Haha great point, I am level 110+ on crime city and know all about that. Even with spending real money - I had to wait months to get the buildings I wanted because the level requirements are so high.
I would never consider not upgrading my resources - I bought 4 builders for the exact reason. Might as well get it out of the way at a low level and reap the rewards for the remainder of the time I play, which will probably be months.
To reply to the OP:
There are a few reasons to upgrade.
1. The long term production
2. The achievement rewards
3. The intangible sense of accomplishment
4. Most important: the resource sink. Would you rather another player take your gold/elixir or for you to have a shiny new mine? The IRS can take your cash, so spend it on cocaine and hookers while you still can.
Actually.... YOU ALL failed the math exams in high school. You have to take the 1.4 days worth of profit that you initially threw into upgrading the pump or mine in the first place. (84,000/2,500= 30.6 .... 30.6/24=1.4)
Thus, the time it takes to turn a profit on the upgrade, accurately and respectively, is 30.73 days. And if your complaining.... like everyone else said, stop playing..... just saying. Thank you all for your time and attention.
Why in the world has this ancient thread been revived?
Whew...amateurs. Your numbers are correct, your analysis is flawed. The access to increased asset isn't factored in nor is the improvement to infrastructure time.
More production of cash means quicker accumulation of resources, especially replacing lost through raids. Shorter time saving the amount necessary to build improvements. If sone if that is spent on defense, less amount lost in raids and an even quicker investment turn time.
Easy example...you need 2,000,000 for a build. You have 1,500,000. You sign off for the night. A raid takes 200,000. If you max your productivity, when you log in, you replace the lost and have 500,000 to raid for. Same as when you logged off. Cost to raid that last half mil is the same.
Now...you aren't max'd in production and you log in able to replace 100,000 ' cause you're an idiot in not max'ing production. You never w have to raid for 600,000. On addition you use up additional costs for building another one or two armies...the lost gain is 100,000 PLUS cost of additional armies.
It costs more that just that for loss of potential raids the additional armies could have taken had they not been needed to replace the lost loot. You need one or two additional attacks to break even, and lose the extra loot you should gave garnered. A double loss.
Max production... Always