Odds are you won't be 100% vacant (like will happen with an SFR if there's turnover) for a month and 100% of your refrigerators won't break in a given month.

Refrigerator magnets are great....if they actually put them on the fridge. 

And here is a rough breakdown of the repairs (I noted the items where we supplied the labor):Demo: $500Attic finishing (rough carpentry, insulation, drywall, trim): $4,500Plumbing (move bath vanity; new fixtures in bath & kitchen): $1,050Electric (move range outlet; remove old fuses; replace all switches, outlets & fixtures): $750Wallpaper removal & paint throughout (material cost only - our labor): $600Kitchen cabinetry & countertops (replaced w/ used cabs from Craigslist & reclaimed soapstone counters; material cost only - our labor): $850Appliances (new refrigerator; used range): $500Interior doors & hardware: $500Flooring (vinyl floors in attic & kitchen; material cost only - our labor): $1,500Windows: $1,600Asbestos duct removal: $500Misc. carpentry (trim repair; closet shelving, etc; material cost only - our labor): $300Exterior work (gravel; landscaping; paint; material cost only - our labor): $350Utilities: $200Misc: $500TOTAL: $14,200

For instance, a landlord may have a 42 inch, counter-depth refrigerator.....can't get one of those for every tenant, right? 

Account Closed   You have 17 refrigerators, all with ice makers and none have broken, in 24 years, what brand?   

(This has never happened to me but I feel that is the best way to think about it) Also, certain cities have rules about how many people to a refrigerator is allowed.

______The top of the refrigerator and stove must be spotless.

I will replace the broken shelves as agreed, but I will not replace the refrigerator."

Are black refrigerators and white stoves common for the area?

Another good place to wipe is the back of a refrigerator, do so during your annual refrigerator maintenance when you are cleaning the coils.