Common time frames in an escape clause are typically ______.

The correct answer focuses on the practical application of escape clauses within contracts, particularly in real estate transactions. Escape clauses, also known as contingency clauses, are included in contracts to allow parties to exit the contract under defined circumstances, thus providing flexibility and protection against certain risks.

A common time frame of 72 hours is especially relevant in contexts where quick decisions are necessary, such as in fast-moving real estate markets. This short time frame ensures that any contingencies can be addressed promptly while minimizing delays in the transaction. For instance, a buyer might need to confirm financing or conduct inspections within this condensed period to proceed with their purchase or decide if they want to back out of the agreement.

While one year and two weeks are longer time frames that could be specified in different contexts, they are not as universally applicable or as common as the 72-hour stipulation in escape clauses. The option of "at any time if the seller is unsatisfied" is too vague and does not provide a concrete or reasonable time frame for invoking an escape clause, making it less practical in contractual terms. Thus, the emphasis on a precise and quick timeframe like 72 hours is significant for ensuring that all parties are adequately protected while allowing necessary flexibility in the contract.