It's no different than any other supply and demand market. If you open a new business selling shoes, nobody guarantees you an income or protection from competit

It's no different than any other supply and demand market. If you open a new business selling shoes, nobody guarantees you an income or protection from competitors who take all the customers. A low-skill contract like driving casual passengers just has too much competition to be worth a full-time position, but it's still a great way for extra income with little commitment.