I'd recommend simplifying your game. Instead of attempting fancy, damaging combos, go for a knockdown that'll guarantee more oki. Especially for Eddie... when you have him trapped, you want him to stay there. So yeah, do combos and strings that you can pull off consistently and stick with them.
Also, it might be a good idea to do something other than backdash at the beginning of every round. It's a safe option, and if you opponent thinks you're going to do it again, surprise them by doing something else (like running in and 5k-combo).
If you're going to practice oki, focus on one and stick with it until you get it perfect.
my last advice... you're too jittery!!!!!
jumping around like that against Eddie is dangerous... take it slow, take mental notes of your opponent's quirks, and capitalize. when you're far away, fish and spear him (hold your spear for mind-games). when he has little Eddie out at a neutral game, don't you dare get close. sometimes it's wise to not burst as soon as he combos you... delay it a bit.
but yeah, keep it up, you're doing fine. just simplify your game and focus on capitalizing on opportunities... good luck.