Hacker News Reader

The best way to understand this is to look at their financial statements:

Generally, you would go to the 10-K to get a quick snap shot.

I direct you to look at the "CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS"

You can see that they made about 1.4B (in Q1) after paying the drivers but then they spent 2.2B on:

Operations and support, Sales and marketing, Research and development, General and administrative

Note, of these categories, Sales and Marketing was the largest and eliminating it completely (not recommending this) would get them to break even.