Series 3 — Solution · Paper 3
The Dog Walker
Sarah walks dogs. Six of them, across four households on the same street, Monday to Friday. She has been doing it for two years. The arrangement with each household is slightly different — one pays monthly, two pay per walk, one pays in advance for the whole week on a Monday morning. One of them leaves cash in an envelope by the door. One does a bank transfer when they remember, which is usually within a few days but not always. One pays by standing order, reliably, on the first of the month. One sends a message asking for her account details every time, despite having paid her the same way seventeen times.
She does not have a spreadsheet. She has a note on her phone where she keeps track of who has paid and who hasn’t. She updates it when she remembers. Sometimes she forgets to update it and then isn’t sure whether the transfer she received on Tuesday was for this week or last week.
On a Friday afternoon she sometimes has to think quite hard about whether she has been paid for the week.
Six mandates take about twenty minutes to set up. Each household approves their own arrangement — the amount, the frequency, whether it’s per walk or per week or per month. Sarah’s phone shows her what each one covers and when it will next draw. The household can see the same information on their side.
When she completes a walk, the household’s account is drawn against automatically for that session, or the weekly total settles on Friday, depending on how the arrangement is structured. She doesn’t send a message asking for payment. She doesn’t check her note. She doesn’t wonder whether Tuesday’s transfer was for this week or last.
On Friday afternoon she knows exactly what she has earned that week. She knew on Monday.
The household on the corner — the one that sends a message asking for her account details every time — approved a monthly arrangement in October. They have not sent a message since. Sarah has not replied to one. The administrative layer of a relationship that was always just about the dogs has become invisible.
She has not raised her rates since she started. She intends to when the time feels right. When she does, she will update each mandate. The households will receive a notification, approve the new amount, and that will be the end of it. She will not have to have the conversation six times.
Sarah is not running a business in the way that word usually implies. She has no premises, no employees, no accountant. She has six dogs and a note on her phone.
What she has, underneath the note and the transfers and the envelopes and the messages asking for her account details, is six ongoing payment relationships — each with its own terms, its own rhythm, its own small friction. The friction was never about the money. Everyone paid eventually. It was about the administration that surrounded the money, the mental overhead of tracking it, the slight awkwardness of the message that said can you send your details again.
That overhead didn’t need to exist. It existed because there was no mechanism that didn’t require it.