Kaizen for Hosts: Ask Every Guest How to Do Better

The most useful question I ask as a host goes to people who have just told me everything was perfect. We ask every guest how we could have done better, including the ones who gave us five stars, and then we act on every reasonable thing they noticed. That habit has a name, it comes from Japan, and it is the M in the Mood Method: Make it better, every stay.

Where kaizen comes from

Kaizen is Japanese, and Toyota's own explainer gives the plainest translation I have found: "'Kai' means 'change' and 'zen' means 'for the better'." On the company's global page about the Toyota Production System, the practice fits in six words: "all employees implement daily incremental kaizen." Look at who does the improving: everyone. Nobody waits for a renovation budget.

The word travelled west with Masaaki Imai, who published Kaizen: The Key to Japan's Competitive Success in 1986. The Kaizen Institute he founded defines it as improvement, and more precisely as "continuing improvement in personal life, home life, social life, and working life." The first of its five principles is my favourite: know your customer.

A car factory and a lake house have little in common, and I borrow the idea with some humility. What carries over is the rhythm. A factory improves with every shift. A rental improves with every stay, because every stay ends with someone walking out the door who knows something about your house that you do not.

Why ask the guests who gave five stars

Five stars is the top of the scale, which means it tells you nothing about what to fix. A guest can love the house, mean every star, and still have spent ten minutes hunting for the corkscrew.

Happy guests are also the best critics you will ever get. They are relaxed, and they are rooting for the house. Their notes arrive as gifts, specific and kindly put.

Airbnb has a channel for exactly this. Its Help Center explains how reviews work: "Individual subcategory star ratings and notes to the host are available only to the host and Airbnb." Guests and hosts each have 14 days after checkout to write. That private note is easy to skip unless somebody says they truly want it. So say it.

How to ask

One question, asked warmly, with no strings attached. Send it after checkout, in the same thread where you have been chatting all along, so it reads as the end of a conversation. Leave ratings out of it entirely. A template to make your own:

Thank you for staying with us! One favour, because we improve the house after every stay: what is one thing, however small, that would have made your time here better? A missing hook, a confusing switch, anything at all.

Three details do the work. "One thing" makes it easy to answer. "However small" gives permission for the corkscrew-sized notes, which are the ones you can fix by Friday. And "we improve the house after every stay" tells the guest the answer goes somewhere. For the rest of the message rhythm, see guest communication before, during and after.

Keep a feedback log

Memory is a terrible database. A spreadsheet with eight columns is a fine one:

• Date and stay (who, how many, what kind of trip)
• What they said, in their words
• Where it belongs: a room, a device, the listing, the manual, a message
• Pillar: is it a detail, a delight, a communication gap, something we failed to anticipate?
• Reasonable? Yes, no, or watching
• Action and who owns it
• Date done
• Guest told?

Log the things you notice yourself too, and whatever your cleaner mentions in passing. Cleaners see the house at its most honest.

Once a month, sort by "where it belongs." Two notes about the same shower are a pattern, and patterns jump the queue.

Deciding what is "reasonable"

We act on every reasonable thing, which puts a lot of weight on one word. Four tests help me:

1. Would the next guest benefit? A luggage rack in each bedroom helps everyone. A request to repaint a room in someone's favourite colour does not.
2. Does it fit the house? Imagine a guest at a quiet wellness retreat suggesting a karaoke machine. Fun idea, wrong house. Imagine another suggesting a second yoga mat. Done by the weekend.
3. Is it safe, and is it allowed? Anything involving fire, water, wiring or noise near the neighbours gets a careful look before a yes.
4. Does it respect the owner's budget? Many guest suggestions cost less than a dinner out. The ones that do not go on a list for the owner, with the evidence attached.

A "no" still gets logged. If the same no-worthy idea comes back three times, the guests may be seeing something I am not.

Close the loop, twice

The first loop is with the guest. Write back, thank them, and tell them what you did, something like: "You were right about the dark hallway. There is a night light there now." It costs a minute, and it is the rare message a guest does not expect. It also says something true about how the house is run.

The second loop is with your own system, and this is where Toyota's idea of standardised work earns its keep. A fix that lives only in your head lasts until the next busy week. So the fix goes wherever it will survive:

• a new line in the before-every-arrival checklist
• a clearer routine or a new photo in the house manual
• a corrected sentence in the listing
• a note in the cleaner's playbook

In the Southborough manual, every tricky device has a short numbered routine with an annotated photo. That is what kaizen looks like on paper: a small confusion, met with a small permanent answer.

What happens over time

Here is our own observation, and I offer it as exactly that: the better we get at this, the fewer suggestions guests have left to make. The easy notes get picked first, and each one can only be picked once.

A quiet log is a lovely thing to look at. It is also the moment to keep asking, because the house will drift, a bulb will die, and a new kind of guest will arrive with new eyes. Kaizen has no finish line, and I find that freeing. Nobody has to be perfect by Friday. You only have to be a little better than last stay.

This is the first habit we teach in the Mood Method, because the other three depend on it. It is also the cheapest: a question, a spreadsheet and the willingness to hear the answer.

Sources

• Toyota UK Magazine, "What is kaizen and how does Toyota use it?": https://mag.toyota.co.uk/kaizen-toyota-production-system/
• Toyota Motor Corporation, Toyota Production System: https://global.toyota/en/company/vision-and-philosophy/production-system/
• Kaizen Institute, "What is KAIZEN": https://kaizen.com/what-is-kaizen/
• Airbnb Help Center, "Reviews for homes": https://www.airbnb.com/help/article/13