I also would recommend writing down a list of whats wrong with the home and estimate for repairs.Are you using the right comparables?

There are ways to hide deficiencies in an inspection, but a walkthrough video can let you see things that just look "off".As someone who works for a turnkey company and only buys turnkey, I always get the scope of work and compare it to the inspector's report to make sure things were done.

In addition, I have compared similar comps to estimate the ARV and I am also working very closing with my refinance lender. 

It all comes down to the cost to purchase + cost to renovate + closing costs : compared to the after repair value (ARV) and how that looks as an investment.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

We don’t know any PMCs to recommend in the area mentioned, but since selecting the wrong PMC is usually more harmful than selecting a bad tenant, you might want to read our series about “How to Screen a PMC Better than a Tenant”:https://www.biggerpockets.com/member-blogs/3094/91877-how-to-screen-a-pmc-better-than-a-tenant-part-1-services-and-processesWe recommend you get management contracts from several PMCs and compare the services they cover and, more importantly, what they each DO NOT cover.

The number of new listings in the Philadelphia Metro was down 12.9% compared to last October, while sales activity saw a 5.9% monthly decline.Median Sales Price: $304,000 in October 2021, a 9.0% increase over October 2020Overall Sales: 7,834 homes sold in Metro area, down 12.8% from October 2020Median Days on Market: 11, +1 day from SeptemberBuyer demand for homes in the Philadelphia Metro market area was unchanged in October.

If I'm still unsure...Ask a property manager, a realtor, other landlords in the area, search rental listings like you were searching for a rental comparable to yours then adjust up/down based on your condition and amenities.

I was definitely having difficulty justifying 50% down to yield something comparable to a savings account.

Revenue growth isn't tied to interest rates, it's tied to supply and demand in the rental market, plus what other comparable properties are charging.