I think one negative consequence was that a lot of people were out of work and they were homeless
The soldiers families, the people who lived in an area where a batter took place, etc. People who sold items to the armies
well , many famous and useful products are imported from Asia , cotton is a really good example .... there are many more products which are imported from Asia such as electrical goods, apparel, textiles, iron and steel, optical and medical equipment.
The answer for this question is: Stop buying goods
They believe that this boycott is an equal revenge for British' policy that they seem as unfair for the business.
In order to fully execute their boycott, there were many instances when they gathered at the port and threw out all British products into the sea.