You should keep a record of the date you make the request.Are calls from political organizations or calls soliciting for charities covered?

There are several books that can provide valuable insights and prepare you for house hacking.

Sadly, many of them don't have younger relatives to provide them guidance and many times are scammed by predatory investors.   

If you are financing the purchase, the lender will also provide protection, you will get an inspection done to protect you and so on.

The estoppel will probably require you to make contact with these tenants and come up with an end date on the lease.

If you already own it and it was a personal residence that you don't want to sell providing you live somewhere in the area, have an interest and understanding of your local rental laws and aren't in California (the laws) or Florida (the possibility of assessments) then self management is a possibility. 

I'm wondering if it's common for PMs to provide detailed receipts for each project, and if it's reasonable to request them.

You could consider offering to have the shower inspected by a licensed professional to provide a written report confirming its safety and functionality to address your tenant's concerns.If your tenant continues to refuse to pay rent, you may have grounds to evict them for non-payment of rent.

It's important to do your due diligence and research the local market, as well as establishing a strong network of professionals to support your investments.Ultimately, the best deals are the ones that align with your investment goals and provide a good balance of cashflow and potential for long-term growth.

They don't really provide any tax benefits and their veil is easily pierced by a good lawyer....Just have plenty of good insurance.