As of this moment, there are 628 people learning from and reading Cast Boolits.
If we all threw in a minimal amount ($5?), I'm sure it would go a long way to keeping this operation solvent.
Click the Donate button.
It's via PayPal, but you don't have to have a PayPal account. You can use a credit card as a guest.
(I closed my PayPal account months ago, and still donated.)