I don't know all of these, but I could chip in on the ones I do have some limited knowledge of:
2 - I think the general consensus on here is that 5 days a week of cardio is too much if you're just looking to lose fat (I mean as opposed to preparing for a sport, where it's more common). 3-4 is, I believe, what's usually recommended.
3 - 3000 is probably okay - keep in mind that you burn calories at a higher-than-usual rate because of all the workouts you're doing, particularly in the hours (~6-12 hrs., IIRC) right after your workouts.
5 - I don't know this for sure, but it appeals to logic that it wouldn't burn any more calories right after a workout - it is the same work, really; you'll burn more calories because it's after a workout, but you'll burn extra calories after a workout whether you do cardio or not. I'd say keep it for fasted mornings for extra fat burn.
That's just my two cents - the last especially is not expert by any means.
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