Add a feature that allows you to save your base designs so that you don't have to keep rebuilding them. also be able to save multiple base designs for trophy hunting and farming EX. save a farming base and a trophy base and be able to choose which one you want depending on what your looking to do.
This idea had already been posted in far greater detail by Mastermind. See his thread for a better explanation, and make sure to use the search function to see if your idea has been posted already!