I am in work at the moment, and haven't much time to post.

BUT

Careful of the resquing. whilst it makes economic/social/mature/marriage saving sense. she will see it as manipulation and feel like a caged animal.

Also

Do you really want her back on those terms, knowing that she is only back for financial security and not love.

I have put up with a loveless marriage for 2 years now in the attic, to give her space, while my wife lives in the splendor of the rest of the house. It is shite - and no more. She is now going to see and feel the repercussions of her actions.