Order of events

Snuffles,

Demo
Extermination
Bathroom
Floors
Paint

The order can change, it depends on what kind of floors. If you are doing a 3/4" oak that could be installed at the same time as doing the bathroom and then stained and poly when the bathroom is done.

3 weeks is not realistic. Is it possible? yes but not probable. How big is this apartment?

The bathroom alone will take 3 weeks

3weeks worth of work spread over a 3 to 5 month period.
f) party because it's finally over

I am so embarrassed to actually be asking this question, but what do you mean by extermination? As in pests?

ya like roaches and mice droppings. :(

As someone who is still in the throes of a reno that we'd originally hoped to have wrapped up in October, I can assure you the three weeks idea is a complete pipe dream. You will find that unexpected issues pop up and settle in like unwanted house guests. You never know what you will find lurking once you rip up the floor or demo the bathroom.

The built-in demo will be quick, by the way. The bathroom could be tricky if by replacing the toilet and tub you wind up having to open the floor to access pipes. If the tub is attached to the wall and surrounded by tile you will need to patch the affected tilework, which can become a major undertaking if you are unable to match the existing tile and have to redo completely.

The floors could be a real wild card. You may discover the subfloor is shot, in which case the job doubles in scope.

You're still at it, bramstar? Yikes! What's it been, 9 months?

inonada--yep--just about 9 months.

We had a large amount of restoration work (stripping and refinishing original wood elements and plaster moldings) that took a LOT of time and we could not have other work done at the same time because of the lead dust. Definitely worth it, though--makes a tremendous difference. Then we had an unexpected setback with one of the bathrooms that ended up needing a gut job to repair some pipework from a previous owner's sub-par reno.

At this point all that's left to do (hopefully!) is assembling the remaining built-ins and spot-repairing the original floors, which we've decided to keep.

So, there is definitely light at the end of the tunnel...

Well, I'm sure you're very happy with what you'll be ending up with. From what I know, it sounds like exactly the right for you: location / views / style / reno / etc.

Only question is when you'll be hosting all your SE buddies ;).

I'd love to :-)