Ah, if hindsight was only 20/20...yes, I probably should've planned ahead a bit more, but I didn't. So, instead of pointing out the mistakes that I made, how about offering some advice on how I might get out of this mess that I'm in. Or would your advice be to "give up and start over" because I didn't start out playing this game the "right" way.
P.S. - My other 12 cities are doing just fine, thank you.
I don't know if you noticed, but I joined your guild in this world for a minute. Long enough to see that this particular guild would be little to no help based on their record. And I've looked at your city in this world, and I can clearly see why you're having issues.
1. All your GBs are low level. The only ones (barely) over level 10 are your Zeus, CoA and CdM. By themselves, they only give you a total of 94% att/def boost, if I'm not mistaken.
2. Of event/special buildings you don't seem to have many (if any) that give goods. And the majority of your special/event buildings are set pieces that are not complete or placed together.
3. Not that ranking points mean a whole lot, but you're only at 9 million in OF. I have a city in FE that's at 39 million points. That points to a seriously underdeveloped city. (For reference, my FE city is only ranked 23rd in my current hood. Which means that even that 39 million isn't very impressive.)
My advice on getting out of this mess you're in would be:
A) Find an active guild. A 64 member guild that has an LP of 101 in GBG, one 1st place finish in over 6 months of GE, and only at guild level 18, is not a terribly active guild.
B) Level up your GBs, prioritizing the ones that benefit your weakest areas. Arc, Chateau, and your attack GBs would greatly benefit your city and assist you in many areas of development.
C) If you're not going to get complete sets, don't bother with set pieces. They only really benefit a city if placed together and fully upgraded. Focus on event/special buildings that give FP/attack boost/goods. Ones that can be motivated eliminate the risk of plunder.
D) Bottom line is that you've dug yourself a deep hole and it isn't going to be fixed overnight. Asking specific questions in an active and helpful guild or here on the Forum will be your best avenue to help plan your way out of the mess. And try not to be defensive about the advice you get.
E) There's a learning curve for everyone. When I first started almost 6 years ago, I kept starting new cities when I realized I had screwed up. Ended up with well over a dozen cities before I figured I should start asking questions and learning from others. And I'm still learning.