View potential customer (8)
I believe the answer is:
prospect
This clue is a double definition.
'view' is the first definition.
(I know that view can be written as prospect)
'potential customer' is the second definition.
(I've seen this before)
(Other definitions for prospect that I've seen before include "Chance of success" , "View - chances" , "Explore in search of something, perhaps gold" , "Outlook - search for gold" , "Likely candidate" .)