Or DIY, you can use "Natures miracle" spray which is sold at retail stores which is an enzyme based cleaner that works great on urine and will break down the ammonia (and strong associated urine smell) in urine that makes it pungent.

One thing you might want to think about, though, is that clustered fourplexes are almost by definition in rough areas, simply by the nature of what they are.

My point is rentals are tough things to run through calculators  they can be a baseline but reality of owning them will be different better  or in most cases worse  since its human nature to pick the most aggressive scenarios.. 

Assuming they are otherwise a decent tenant and not tearing up the place and are staying long-term, and considering re-renting costs, vacancies, unknown nature of the next section 8 tenant, etc, do many of you hands-on Section 8 landlords with tenants having rent 95% paid just opt to do nothing and let it ride?

Yes, this is natural real estate prices do not run in a linear line up.  

Here’s a recent article.With prices rising “naturally” as fast as they’ve been these past years, I’m surprised this tactic has been necessary.

Learn more about working directly with sellers and structuring purchase money mortgages.There is typically a natural progression for folks that start in the small MF arena.

Make sure you read the governing documents and articles of incorporation - these outline the HOA rules and are public information.

I am currently in the market for my first rental investment so naturally I have a bunch of questions.

If you give enough, it is human nature to give in return.