u/Alternative_Comb_756

I need advice on invisible zipper installation. I have spent 5 hours, 10 zippers and probably a solid yard of fabric trying to figure this out and it has reduced me to tears. I have an invisible zipper foot I have been using, I've followed like 5 different tutorial methods and for whatever reason it simply will not work out. It's always a different issue every time and I'm honestly about to give up I'm so frustrated. Any advice would be great. Thank you.