In Washington, the Buyer's Investigation contingency allows:

Option A contradicts the fundamental purpose of the investigation contingency, which exists precisely to allow inspections. No inspections would leave buyers unprotected against undiscovered property defects.

While an appraisal review may be part of due diligence, the investigation contingency encompasses much broader inspections including structural, mechanical, and environmental assessments beyond just valuation.

The investigation contingency is specifically designed for the buyer's benefit, not the seller. Seller investigations typically occur during the listing phase, not during a buyer's due diligence period.