Sedate your mother and lay her naked in a bathtub of whipped cream and blackberries.
That would be quite a waste of Blackberries.
Set up shop on a streetcorner with a sign "FREE BLACKBERRIES" with a picture of a phone the fruit. When someone comes up, give them the fruit. Profit?
Call someone.
Yes.
sell them on ebay
Mayk profit?
Sure,from bears.