A waiting period is a set span at the start of a contract during which certain repairs are not yet eligible for payment. It is written into the paper, and the paper also says when the span begins and how it is counted. Reading those two details is the core of the job.
Find where the clock starts
Look for the start point in the contract itself. It may be the day of sale, the day the contract is activated, or a stated effective date. These can differ by several days or weeks, and the gap matters. Ask the seller which one applies to your contract and have the answer written on the contract or on a cover sheet.
Mark the end day in writing
Work out the end of the waiting period from the start point and the counting rule the paper states. Do not count from memory, and do not rely on a seller's rough estimate. Confirm the calculated end day with the seller and keep a copy of the confirmation next to the signed page.
Decide what happens to a problem inside the window
If a failure happens while the waiting period runs, the paper should say whether the item is excluded, delayed, or handled some other way. Ask whether the seller must give written notice of any refusal and what that notice must state. A refusal without a written reason is harder to test later.
Keep dated proof of the start
Keep the signed page, any activation confirmation, and any payment record that shows when the contract took effect. These documents are the record of the start point if a question about the clock comes up later.
Check your state's rule
States may set rules for waiting periods, and this edition does not describe every state's rule in full. The Connecticut rule and roster page is one example of how a state page restates the rules this edition has read. Where a page says a rule has not been read, treat that point as open and ask the seller in writing.