You make small-scale manufactures because Britain wants to keep most of the manufacturing in the mother country. You might be a silversmith, a blacksmith, a furniture maker, a weaver, etc. You live in Boston, Massachusetts.
For a number of free blacks, it was their skills at a particular craft that allowed them to earn their freedom dues. But very likely you are a man. Most handicrafts made by women were used or sold via households.
For ideas on selecting your particular craft, see this fabulous collection of images from Colonial Williamsburg.
Paul Revere was a silversmith