You've got the holy grail of a combination 121 primary residence exclusion and a 1031 exchange.

It’s the same treatment before or after the  retirement. 

My daughter is starting a 5 year graduate school program for which she will be paid a decent amount as a graduate research assistant.  I am considering helping her buy a house (we will both be on the loan and title) i...

Combine that with everything from the first BRRRR and the information begins to compound.

@Michael Gelatt I am giving these answers according to mortgage point of view, you have to contact your CPA for other concerns.1 You should be paying from your business account to keep it separate.2 You should combined both to cash out because you are refinancing any way. 

Is anyone in the area currently combining FIRE techniques (accelerated saving, index fund investing, etc.) with RE investing simultaneously?

There are a few different options if asbestos is present; the tester and/or a licensed contractor should be able to give you a few different options for treatment.

If you try to combine a refi followed closely by a sale and 1031 the IRS have many times interpreted that as a way of taking profit out of the 1031. 

I'd suggest you form your own opinions of course :)  1) Kelowna: Has a strong rental market, but It may be tough to find strong cash flow on a property with only one suite.  2) Kelowna: The summer Short term rental combined with Off season student rental combination is making folks big cash flow right now, but it is growing more competitive.  3) BC: I second the comment made by @Brianne H.4) Vernon:  If you spend the time to look you can find deals here  5) Have good Math

Is it possible to combine the FHA 203k and the BRRRR strategy?