Unless it's a house that she owned outright prior to the marriage or an apartment in her name only, then as Cadet said don't move. She can't make you move and if you do she will just lose even more respect for you. Stay put. If she wants separation so bad then she can leave. Several guys here have ignored this advice and came to regret it later.
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she won’t say i love you back or kiss me or show any affection/connection, and it’s like she’s trying to say stuff just to hurt me (such as i can’t wait until i have the bed to myself, better get used to not having me to sleep with, etc.)
This unfortunately is not unusual for a WAS. Have you read Divorce Remedy yet? Please get it and read it. Do not let your wife see it or see you reading it, it's strictly for you.
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She still uses my money
Please clarify, does she have a job? Are you giving her money hoping it will gain you favor in her eyes, or is she using it to pay household bills?
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it took her a long time to be comfortable with my buying or paying for her stuff so i don’t think she would still use it if she was going through with it, she’s not the type of person to use people and i consider that to still be true today.
She's not the same person, she will do things that seem completely out of character.
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She says it’s too late and nothing will change how she feels.
That's just how she feels right now, it can and will change with time. You've got to be patient, it takes a while.
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I understand how i hurt her, and all her past grievances (that i need to man up, communicate, be more affectionate, focus and try and do more stuff for our relationship, and be someone she can trust). Is it too late?
It's not too late, marriages have come back from far worse. But you can't work on those things right now. To her it's all "too little too late", she doesn't want you to fix those things, she's just telling you why it's over.
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What can i do? Could she be testing me?
She's not testing you, right now she really is done. But like I said that can change with time. For now read the book, read all of Cadet's links above, start working on yourself. Good luck and keep posting.