Option C - Ready-to-sail (meets requirements)

Summary

Shortest time-to-use if you can find the right boat.
Usually the highest upfront price, but often lowest schedule risk.

Deal-killers (fast rejection tests)

Draft/beam/clearance outside bounds.
Interior height not workable (especially salon/companionways).
Cannot accommodate king suite + required heads/showers without major rebuild.
Insufficient electrical generation/storage to support your galley + HVAC + compute goals.

What "ready-to-sail" should mean here

All critical systems operational: propulsion, steering, rigging, nav, comms.
Safety equipment present and serviceable.
Tankage usable; heads and showers functional.
Known maintenance history; survey acceptable for insurance.