You look at this balance sheet and you see $500,000 in loans to 200 Walnut Street listed on Line 7a.

If you tell someone too early you aren't renewing their lease, especially one who is aggressive, could lead you to issues.

Make use of its features like online rent collection, maintenance requests, and tenant screening.Local Resources: Consider joining the Central Indiana Real Estate Investors Association (CIREIA).

Buying a portfolio might lead you to making decisions you don't have the experience and foresight to make well.

I have leads on a cleaner. 

Yes, operations is a big part of that, especially for anyone that wants to be a business for the long-term.If I were you, I would be talking to office brokers about partnering more than an online forum.   

Check out other online guides available here: https://www.biggerpockets.com/guides3.

Maybe it's in my head but sometimes there are two LVP advertised online with the same thickness, but in real life one feels obviously thinner/thicker.

There are any number of Real Estate schools available to you, so choose the one that compliments your learning style, whether that be online or in person or a hybrid. 

Have you had it evaluated by a Realtor, or are you relying on Zillow or other online algorithms to estimate your property's value?