Of course to maximize your tax benefit it needs to be sustainable over time. 

If not, the only requirement may be filing plans with the dept of buildings.One of our contractors does the bulk of his work on contracts with NYC.Mainly work related to bathrooms & tiles/flooring, I will shoot you a PM if I can get any information on this.All the best!

What are the limitations and benefits?

That is for larger companies or for disgruntled clients or relatives looking to help.Per diems only work in theory.

In-person behavior can be grounds for rejection, would suggest documenting the behavior and related risk to further protect yourself.

Numbers 2 and 14 seem to fit - the others are related to inflation and a tech bubbleclick to enlarge2.

I can always sell if I change my mind, and hopefully make a few bucks, worst case break even, since I am buying at discounts.With BRRRRR, an often ignored benefit is the security (if done well) of being all in 75-85% of ARV.

That is how I've operated for years, well before the NAR fiasco and as agents, we have always been advised from referring to status quo, standard, typical, etc when it relates to commissions.It continues to amaze me how many buyers/investors believe the agent value is finding them "deals."

None of this directly relates to landlords reporting rent payments. 

So there could be benefits from starting a new lease for that reason.