FFVI: Divergent Paths

So Panda, I know I have to expand the rom in order to insert an alternate dialog script for FF6 but would expanding the rom give me extra space for other projects as well? Just asking, because once I’ve finished my script, I want get started with hex editing, including things like the uncensored patches of the TW hack, adding a mew game plus feature, adding the green and blue chocobos (once new game plus is unlocked), and maybe even adding the esper system of the BNW hack. I know that space is limited, so I want to be realistic in my expectations/approach.