This is a huge jump from the previous $3000 per quarter being royalty-free when they initially made UE4 free. It will be interesting to see if it helps them capture more of the indie studios from Unity.
* (this also means no official support and a few missing features, not sure if UE4 offers everything for free)
> if you are an individual using the Unity Software, but not providing services to a third party, your Total Finances are the amount generated in connection with your use of the Unity Software. In this case, your Total Finances would not include amounts you generate from other work (for example, if your day job is as a zookeeper).