Slow sink in the bathroom sink and a minor drip in the basement.

On subsequent units, we went further, changing the kitchen flooring (for Allure from HD), changing the kitchen counter top, changing cabinet knobs (a small thing, but very noticeable), and changing sinks, faucets, and toilet if needed.

Bad ones will sink your ship in a hurry.

Somehow our first rental made it through financing only because when they did inspection I took old cabinets and countertop with sink in it off the trash pile, set it in kitchen where plumbing was, and that was my kitchen. 

During walk thru look under all sinks for leaks/signs of leaks. 

It is a sinking feeling when vacancies happen-- hopefully this is just a little bump in the road for you.

The owner did enter the unit due to a smell and discovered food spoiling in the sink, refrigerator and trash. 

If you're looking for rentals soon, why sink your money into a personal residence that needs rehab?

It doesn't take too many bad reviews to sink your ship. 

In accordance with the 2016 CRC, a dwelling unit could be sized to accommodate a habitable room(s) with a minimum of 70 square feet; contain a bathroom including water closet, lavatory and bathtub or shower; and a kitchen area with a sink.