just build a small station then.
All for standby points that allow each service at them.
Or have a system where you can set it like a patrol
Why spend 50/100k for a small station when you could have an option of a 10k standby point?
SWAST in Central Gloucester (Glos, Chelt & Tewkes) have 3 ambulance stations but have approx 20 standby points (can't be certain until I'm in work).
I work happily pay 10k a standby where I can move vehicles around to better the response times.
I don't believe we should be building stations to represent standby points.