Partial front and full front are different businesses
The gap between a bumper-and-hood package and full-body is thousands of dollars. It has to be an explicit choice on the estimate, not a verbal one.

Paint protection film
PPF pricing lives or dies on exactly which panels are covered. Every disagreement about a film job is really a disagreement about coverage that was never written down.

What the work actually involves
The gap between a bumper-and-hood package and full-body is thousands of dollars. It has to be an explicit choice on the estimate, not a verbal one.
Once material is cut, the job is economically done whether or not it is installed. Deposits and approvals matter more here than in most trades.
Warranty questions arrive long after the install. What was covered, in what film, on what date, has to be retrievable.
In ManePilot

Questions
Yes. Each coverage package can be its own service with its own price and duration, including per vehicle type.
Estimates and invoices track what has been approved and what has been collected, so material is not cut against an unconfirmed job.
Related
Set up your services once, and the schedule, booking page and invoices all work from them.