That does sound pretty daunting. But hey, some things take time. I'm sure you'll find enough wiggle room to get it done, even if it means waiting a while.
Seems like when one thing is fixed, another thing breaks. lol. that is the life of a hobbyist.
I really need to change my filter out and do a water change. I have a problem right now with a little patch of hair algae. I'm considering running a tiny bit of GFO in a bag to help, and maybe get a turbo snail on loan.