Material is ordered against a decision
Once the film is bought for a specific vehicle in a specific colour, it is committed. Deposits exist for a reason and need tracking.

Vinyl wrap
A wrap is a project, not an appointment. It has a design stage, a money stage and a multi-day install, and the failure mode is always a step that got skipped.

What the work actually involves
Once the film is bought for a specific vehicle in a specific colour, it is committed. Deposits exist for a reason and need tracking.
A full wrap removes capacity for most of a week. A calendar that shows it as a single appointment is lying to you.
Colour, finish and coverage agreed verbally is the most expensive kind of agreement in this trade.
In ManePilot

Questions
Yes. Service durations can span hours or days and are reflected on the day, week and month schedule views.
Invoices track what has been approved and what has been collected, so an outstanding balance is visible rather than remembered.
Related
Set up your services once, and the schedule, booking page and invoices all work from them.