Land doesn’t depreciate, and while buildings require maintenance, they usually gain value as markets grow, demand increases, and inflation takes its toll.Real estate investors benefit from a significant tax write-off based on the concept that properties lose value over time, even as their market value skyrockets.

Yes, up, it's simple obvious supply demand metrics. 

I want to point out that I’ve noticed his tone in emails can come across as demanding or even a bit rude.For examplez: I see how he writes to the group—always polite and full of "thank you"s—but when addressing me, the tone feels far more demanding.Would it be okay to respond with something like this?"

If duties were merely split between operations, capital raising and deal sourcing based on individuals strength and to spread responsibilities, I would be more understanding but that's not the new age model.

I am open to learning from experienced individuals, whether through phone calls or Zoom meetings, to deepen my knowledge in this area.

Business issues or simply too high of a rent demand for the space provided?

I was told the investor pays to lease out the entire flat for 6-12 months and then sub-leases the individual rooms for a profit.

The economy is also pretty diverse and strong - lots of growth in population and the job market and there is strong rental demand.

It also gives you the opportunity to be creative on how you want to vest/take Title (LLC vs Individual name). 

The individual agents/teams within the brokerage are the ones that set out to establish a niche to work with investors.If you're looking for a broker primarily focused on working with investors, you may want to speak with commercial brokers and agents.