When I am sending the notice to my rental and I know they are not there I send it certified, signature required, no not forward, and the post office returns it back to me for no one signing it and the webpage gives a day to day accounting of the letter's travels.

I visited the area and discovered it would be stable, affordable, and profitable.

We buy them in markets we like to vacation in and visit ourselves!

Subsidized housing is a classic example; https://en.wikipedia.org/wiki/Subsidized_housing_in_the_Unit...For more examples visit any barracks on any base in America.

Read page 1, skimmed 2, skipped 3 and read 4 from my name being mentioned, thanks James! 

Sometimes, I have to go through 5-10 pages of results to find a relevant post.One thing that has helped me is playing around with the search keywords.

.- Increased Travel and Communication:Regular visits and long-distance coordination can increase both time and expense.- Legal and Tax Complications:Navigating different state laws and tax regulations can be complex and confusing.Out-of-state investing can be a great way to grow your real estate portfolio, but weighing the benefits against the potential challenges is essential.

If so, is it allowed, and which office should I visit?

I have never been to Detroit , I have no reason or desire to visit there , so I cant compare .

Quote from @Jay HinrichsI carry trash bags in my car and every time I visit a job site or meet one of my clients there, they get handed one too.