It's okay to estimate.
(Tip: Don't know where to start? Ask people. Do research. Google was invented for a reason.)
When in doubt, overshoot.
The numbers there are the approx. average for YWAM Yosemite staff.
Here are some things you need to know:
Yep. And that's actually pretty modest.
If your actual budget ends up below $3,000... you might be undershooting it.
Let us know if that's you and we can talk through it.