Answer:Brad is trying to open his business while the WINDOW OF OPPORTUNITY is open.
Explanation:
A window of opportunity which is also referred to as a critical window is a time span when a person can take an action that will yield them a maximum benefit based on the outcome they are looking for at that moment. A person need to ac fast because this periods opens and passes quickly and once it is closed there is no more opportunity to act.
The action that is usually not commonly taken on normally times can be taken around this window of opportunity because this kind of opportunity comes only once in a life time.
Some people may plan in advance to act when this window of opportunity present itself but sometimes it comes unexpectedly and people see it and grasp the opportunity to maximise their benefits.
Brad is one person who is preparing for this opportunity in such that he want to make sure that when it opens he can act according and grasp it.
He wants to open his store during the time period in which a business like his can realistically enter the new market. This statement or sentence tells us that he is preparing in advance.