Well nothing prevents it. [1] In fact they do. The churn rate for Uber is insane. They sign people up and wait for them to realize that after hidden costs (like

Well nothing prevents it. [1] In fact they do. The churn rate for Uber is insane. They sign people up and wait for them to realize that after hidden costs (like depreciation and repair) they aren't making much money at all. They are mostly monetizing people's inability to account for expenses. [1] well some of their car lease deals seem sorta like locking people people in. But I don't know enough about them.