Maybe leave the gem boosts for mines, but remove the one gem boosts for barracks and spell factory.
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Ok, let's begin. Your next cost is 500 gold you say? That means you are a town hall 8. The loot for town hall 8s is great at the moment. You recently got your 4th mortar to help protect it a lot better. You also got a new dark elixir drill which DOUBLED your dark elixir production. Next, you say you have to hit the next button 20 times to find a good base to attack. THAT IS AMAZING. Most of us have to go through 50-200 nexts to find a base. If we do not find a base then guess what we do? We just quit farming for the time having wasted 150k+ gold and 10minutes on nexting. You are extremely lucky and you do not know what you have. At town hall 9-10 you will realize what you had.
To the OP. Try changing leagues. I dropped to silver II yesterday and I had to stop raiding because my gold got maxed out so fast. I have a number of long term upgrades going, so I actually put a gold storage out for sniping.
:mad: I upgraded both my 30+ heroes and still capped de, forcing me to gem my queen or waste all the de I was getting.