When your broke and need money
You can conclude that prudent means wise, as the opposite is foolish.
It is always advisable to set aside 5%-10% of the average net income of a person
Explanation:
1. Not Fixed- It is not a standard set of percentage that can be set aside for transportation expenses as income of people varies from person to person for which if has no fixed percentage.
2. Variables-There are many variables that should be taken into consideration which can be the salary of a person and the kin of transportation it take which further can be a private or a public transport.
Hence, as a whole it is advisable to save 5%-10% of the total income keeping above factors in mind.
As for the first part, Cost, Radiation exposure to humans, No water or heat, and unfit soil. As for the second, Astronomers, Botanists, and obviously your fair share of rocket scientists and math matitions for the way up.
