Buyer-client
You have a buyer-client that tells you that that he is looking for a large 4 bedroom house in a “nice and quiet” neighborhood that is walking distance to a park and the local elementary school.
Given this scenario what needs according to Maslow’s hierarchy of needs is your client trying to satisfy.
If I was interested in understanding what the total population of Milwaukee is, would it be less expensive to use a primary or secondary data collection method and why?