There are numerous tenants rights organizations in Baltimore looming for exactly this and other issues.

Then after that split is taken out, we pay income taxes to Uncle Sam, errors and omissions insurance (in case there's a lawsuit), Realtor's Association dues, MLS fees (so you can look at properties on Zillow), monthly technology/desk fees to our broker, health insurance, car insurance, gas, maintenance, clothing, computer, cell phone, software, marketing, etc.

I think there is a chance that you don't actually hate your rentals, but rather, you hate where your mental health/stress level/amount of free time is.

If you sell because of health, work, job, or unforeseen circumstance you can get the section 121 even if you sell before 2 years.

Is it a health or safety issue to replace the shower?

Look for cracks in the foundation, walls, or ceilings, as these may suggest settling or shifting.Additionally, keep an eye out for pest infestations, particularly termites or carpenter ants, which can cause significant damage to wooden structures.Lastly, be aware of environmental concerns such as radon levels and underground oil tanks, which can pose health risks.Having a qualified home inspector conduct a thorough evaluation is essential.

On the other hand, I have bought numerous properties from absentee owners that paid cash for their investment property here.

Both brothers were retiring, and one was in very poor health.

I've sent him numerous emails specifying what I want and I now have a bunch of unanswered texts asking about what's going on. 

Not to be pessimest, but just because I read a few health books does not make me a doctor, nor does reading a book on history make me a historian.This business is not easy.