The Backup Closet We Stock in Every Property (and How Many Sheet Sets It Needs)

A guest checks in, the TV remote is missing, and the last guest drove off with the garage door opener. What should have been a quiet arrival turns into a handyman trip, a replacement part, and a guest standing at the door with a phone in their hand.

Most owners picture cleaning products when they think about the supply closet. In the properties our team runs it is a backup closet, and almost nothing inside it is for cleaning. It holds the things that fail between turnovers, usually late at night, when nobody is coming back with a spare.

Our team manages 300+ properties across 50+ cities and 7 countries, so this is a standard list rather than a guess made property by property. Here are the twelve items we stock, starting with the ones owners are least likely to have, plus the formula we use to decide how many spare sheet sets a property actually needs.

Start With Two Closets, Not One

The first decision is where things live. We split supplies into a locked backup closet and an unlocked guest closet.

The locked closet uses a simple keypad doorknob, no Wi-Fi and no app. Ours cost about $30 and the batteries last a long time. We set the code to match the housekeeper's entry code, so there is only one code for anyone to remember. Wi-Fi locks belong on the front door. This one just has to work.

The unlocked closet holds comfort items, the pack-n-play, the extra pillows and blankets. Guests take what they need without sending a message, which saves time on both sides and removes a request from somebody's queue at 10pm.

Items 1 to 4: What Almost Nobody Has

1. A pre-programmed spare garage door opener. Guests in rental cars take the opener home without noticing it is gone. With a programmed backup on the shelf the next guest still gets in, and the lost item fee can stay reasonable. Name brand universal remotes run about $28 to $32 at Home Depot. If you do not keep a backup, set a higher fee and tape a note to the remote. The backup is the fix. The fee is only the deterrent.

2. HOA and gated community backups. Parking passes, permits and entry fobs are easy to lose and slow to replace. If one guest leaves with the pass, the next guest cannot park or get through the gate, and that is not a problem good communication solves on a Saturday. A lost pass fee belongs in your house rules.

3. An ozone machine. For a smoker or a heavy cooking smell, an ozone machine clears the air before the next check in. Run it only in an empty unit and air the place out afterwards. The EPA is clear on that point. Home units run roughly $45 to $150.

4. Spare smart TV remotes. Generic replacements are easy to order online and cost very little. Openers, passes and remotes together cost less than one emergency handyman trip.

Items 5 to 9: The 9pm Problems

These are the small failures that surface after the housekeeper has gone home for the day.

5. USB charging cables. Housekeepers use them to recharge wireless cameras, noise monitors or their own phone. Guests leave chargers behind constantly, so this part of the closet tends to stock itself. Leave cables out in the open and they walk.

6. 9-volt batteries for smoke alarms. Low battery chirps usually start overnight, when the house is coolest, and a chirping alarm means a guest is not sleeping. Our recommendation is to swap older alarms for 10-year sealed battery models, which removes the problem instead of managing it.

7. A backup physical key. Only relevant if you still run a lockbox, and never left out in the open.

8. A spare shower curtain liner. When the housekeeper finds a mildewed liner it gets swapped on the spot, rather than showing up in a guest photo attached to a review.

9. A plunger. A clogged toilet at night with no plunger in the property becomes a guest message, then a plumber call, then a line in the review.

Items 10 to 12: Sleep and Comfort Backups

10. A pack-n-play. Families often ask for one after they have already booked. Keep it in the unlocked closet and they simply take it.

11. Spare sheet sets, in the right number. Getting this count right saves money at setup and saves turnovers later. Our rule is one line: every bed dressed, one spare the guest can ask for, one backup for stains.

• Laundry on-site: bedrooms plus two. A two bedroom needs four sets. A five bedroom needs seven, not ten.
• Laundry off-site: bedrooms times two, plus one. A two bedroom needs five sets. A five bedroom needs eleven.
• Stays over a week: add one set either way.

A bigger property needs more backups, but doubling the bedrooms does not double the sets. Towels follow the same logic, counted per guest instead of per bed.

12. Extra pillows and blankets. These are two of the most common guest requests across our portfolio. Put them in the unlocked closet and the request stops being a request.

A Quick Double Check

These are not part of the twelve, and most properties already have them. Confirm they are actually stocked rather than assuming:

• Extra toilet paper and paper towels
• Dishwasher and laundry pods, with the bulk supply locked away
• AA and AAA batteries, and spare light bulbs
• Basic tools, a screwdriver at minimum
• A high intensity spot and stain remover the housekeeper can reach
• A flashlight, and travel adapters in the unlocked closet if you host international guests
• A first aid kit, out in the open, so a guest never has to ask for it

The Pushback We Hear

The common objection is that the housekeeper already brings everything she needs. She brings what the clean needs. The backup closet covers what fails between cleans, at 9pm, when nobody is coming back with a remote or a garage opener. Those are two different jobs and only one of them sits on the cleaning checklist. If the housekeeper is your backup plan for hardware failures, you do not have a backup plan, you have a phone call. We wrote about where that relationship genuinely makes or breaks revenue in our piece on housekeeping and revenue.

What We Would Check Across a Portfolio This Week

Which properties have a locked closet at all, and whether the code matches the housekeeper's entry code. Whether the garage opener, parking pass and entry fob backups exist at every property that needs them, not just the one where it last went wrong. Whether sheet counts match the formula or were set by whoever furnished the property. Whether comfort items sit behind a lock, generating messages somebody has to answer. And who checks the closet at turnover, because a stocked closet with nobody restocking it is empty within a season.

None of this is expensive. At one property it is an afternoon. Across a portfolio it is the difference between a guest issue solved in two minutes and one that costs a trip, a part and a review.

Want help setting up your STR for long-term performance? The team at Corzly manages properties across multiple markets and helps operators build the systems that drive results. Reach out here.

This article was inspired by Episode 360 of the Short-Term Rental Riches podcast.