Around 200-400 pounds a year.
depends
Merchants made money by selling goods or trading goods.
it depends how good they are
Merchants raised money to invest in exploration by holding raffles and contests in parts of Europe. Some merchants set up street markets as well as their established buildings to make extra money for exploration.
the merchants hide the information that they bought the spices for less to make money, it can technically mean cheating.
the craftsmen and the merchants went around asking people if they need help instead of staying at the shop all day
American merchants complained that the British were keeping Americans out of the West Indies and other British markets that they could make money from.
They asked for grants
This really can't be answered because records that exist often don't report this information. It also depends on the type of merchant and the goods he made or sold.
The opposite to affiliate is merchant. A merchant has a product that they want to sell and make money and an affiliate is someone who promotes the merchants products and earns a commission.
The King of England was hoping these merchants would make money so the king could tax them.