They say in their FAQ that a typical slashdot/reddit surge costs a typical site under $10. If you keep a $20 buffer you're probably fine, and the worst case is

They say in their FAQ that a typical slashdot/reddit surge costs a typical site under $10. If you keep a $20 buffer you're probably fine, and the worst case is you burn through that and the site shuts off until you put more in.