It is best before making a decision?
rely on your instinct
consider many possible options
compare and contrast

Compare and contrast

Explanation:

Take a decision based only in instinct is not as intelligent as the "instinct" does not exist for our specie. So, you must analyze the pros and cons and then involve the emotional pros and cons to your decision-making process, thus the criteria to determine the final decision taken involves both rational and emotional aspects.

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy