A complete quote should identify the unit, condition, layout, features, term, delivery, setup, access equipment, recurring charges, service responsibilities and pickup assumptions.
Identify exactly what office trailer is being priced
Record size, width, floor plan, age or condition, restroom, HVAC, windows, doors, finishes and included furniture. Photos and a floor plan reduce the chance that two suppliers are pricing different products.
Compare the same office and site scope.
Give every supplier the real ZIP, use, size range, term, delivery date and setup responsibilities.
Separate one-time, recurring and end-of-term costs
Delivery, setup, stairs, ramps and utility work belong beside rent or purchase price. For rentals, include minimum term, billing cycle, maintenance, damage, cleaning, extension and pickup.
Require exclusions and allowances to be visible
A proposal should state what the owner must provide and which numbers can change. Use one office trailer pricing brief for all suppliers so missing scope is easier to recognize.
Turn this answer into a useful supplier comparison
Record the decision that applies to the property, who owns it and when it must be complete. Connect that note to the proposed unit, delivery plan, access equipment, utilities, service and removal so an unanswered assumption does not return later as a change in price or schedule.