The due diligence period is often 10 business days and gives buyers the unilateral right of cancellation for any reason during that time period. The repair procedure illustrates the buyers right to inspect the subject property and deadline to submit a repair addendum. This section also defines “Seller Paid Repairs,” as the costs of all repairs necessary to make the roof free of leaks, address environmental concerns, and to make all the following systems operable: heating, air conditioning, electrical, plumbing, water supply & water waste.