Divorce/WAW due to my infidelity Part 2

[crdcheck]

Hey, thoughts on keeping the "road paved" back? Examples:

1) W texts me a funny pic of the dog randomly, says "can you believe she...?" - how do I respond?
2) W invites me in when dropping D3 off - do I accept?
3) W starts asking about my separation plans (e.g. "have you booked movers to go to your new house, yet?") - how do I respond?
4) W wants help with something (e.g. "I need to have some body work done on my car, is there a place you recommend?"
5) We are still sharing various accounts (Amazon, Netflix, etc.) - do I take her off once we separate finances? If it makes a difference I am some of "hers", too.
6) How much should I share about my plans? I'm not doing anything to impress her so I don't feel the need to proactively share what I'm doing, but if I say I have plans on Fri and she asks what they are, how much should I share?

I guess I'm trying to figure out the balance between letting her eat cake (good friend but no more) and pushing her away (like, right now she thinks that I want space from her).

Anything else I should be thinking about? Any good resources for post-D interactions (aside from continued GAL, being best dad, being AMOAFWL, following through on commitments)?