Warehouse First:

Upgrade the Civic Center to LvL2, then upgrade the warehouse to lvl4. Construct all of the resource buildings available. Harvest. Upgrade 1 of each type of resource building, space station, civic center, and warehouse only. Give the account time to fill up on resources, and continue to only upgrade those specific mentioned buildings. Open the sciences, and do only the required sciences until you can learn "Expand Capacity" Science skill. Get this particular science up as fast as possible, then fill out the rest of the resource bonus and then construction bonus sciences. This way is for low maintenance farms. Log in once per day, and harvest. when they are making 41,666 income in gold, they will be making One Million Gold per day. Ten accounts done in this fashion, would then give you Ten Million gold per day.