@Unal Baris KancogluTo manage a multi-family property, communicate rent adjustments early, implement gradual increases, set limits, reassess lease terms, highlight improvements, and offer incentives.

How would I do that - send them a formal invoice or request, or can it be less formal like a simple email? 

QuickBooks Online has four different levels:QuickBooks Online offers four plans—Simple Start, Essentials, Plus, and Advanced.

BP is far better in that realm of how to actually communicate with folks..

Also, as listed on Redfin it is a "Fee Simple Ownership", even though it's a duplexed condo unit in a 4-unit building.

You can usually find some events by doing a simple google search.

Obviously the hurricane coming in could be devastating and we’re not sure what, how and when to communicate to the guests.

I offered to NW the same price that I later got the house from, in which the second wholesaler got a great deal and it was even another agent involved in the transaction.Saying this, the agents that I am talking in NW have knowledge and they are open to communicate openly.

Qualified Intermediary shall have no obligation to inquire into the truth or evaluate the merits of any statement or representation contained in any notice, document or other communication reasonably believed to be from Exchanger, its officer, attorneys and other representatives.

I would advise against for residential customers, since those units are simple and have straight forward maintenance that can be covered in an annual “tune-up”.