Customers can tick more than one service and book them as a single visit. One appointment, one start time, the services run back to back with the same person.
Three things get worked out for you when that happens.
1. The time adds up
A 45-minute treatment plus a 30-minute one becomes a 1 hr 15 min visit. Nothing surprising here.
2. Cleanup happens once
If both services have cleanup time set, the visit takes the longer of the two, once, at the end. You reset the room after the customer leaves, not between their two services.
3. Start times have to suit both
This one needs a moment, and it only matters if you've given individual services their own start times.
Think of start times as a timetable. A service set to "every 20 minutes" can start at 9:00, 9:20, 9:40, 10:00 and so on. A service set to "every 15 minutes" can start at 9:00, 9:15, 9:30, 9:45.
When someone books both in one visit, there's only one start time to choose, so it has to be a time that appears on both timetables. In this case those are 9:00 and 10:00, so the combined visit is offered on the hour.
It's like two bus routes, one every 15 minutes and one every 20. If you need to catch both, you can only travel when they're both running.
Most of the time this changes nothing, because one timetable usually fits neatly inside the other. If a colour is hourly and a trim is every 15 minutes, the combined visit is hourly, and every hourly time is also a valid 15-minute time. Both rules are kept without losing anything.
Two things worth knowing
It never gets worse than hourly. However many services someone stacks into one visit, they can always be booked on the hour. That's the floor.
Each service keeps its own times when booked alone. A combined visit being offered hourly doesn't change anything about booking that trim on its own, which stays every 15 minutes.
Do you need to think about this?
Almost certainly not. If you haven't given any individual service its own start times, every service follows your business setting, they all share one timetable, and combined visits behave exactly like single ones.
This only comes up when you've deliberately given two services different start times and a customer books both together.
FAQs
Why is my combined visit offered less often than either service on its own?
Because the visit needs a time that suits every service in it. If one service starts every 15 minutes and another every 20, the only times that suit both are on the hour. If you'd rather have more availability than the exact spacing, widen or remove one of the service's own start times and it will follow your business setting again.
Can I stop customers booking two services together?
Not as a setting. If two services genuinely shouldn't be combined, the usual answer is to offer them as one combined service with its own name, price and duration.
What if the two services have different people?
A single visit runs with one person, so only staff who provide every service in it can be booked. If nobody provides all of them, the customer books them as separate visits.
Where do I set a service's own start times?
Open the service under Catalogue, Services and use its Start time intervals field. See set your start time intervals.