My Apify Bill Was 5 Higher Than Expected: How to...

My Apify bill arrived last Tuesday. I expected around $60 for the month. The actual charge was $312. No alert fired. No email warning. Just a charge on my card and a spike in the compute units graph I hadn't thought to check mid-cycle. This guide is what I wish I had read before that invoice arrived: the exact reasons Apify bills surprise you, the pricing model decision you didn't know you were making, and the five configuration fixes that prevent every category of cost overrun I know about. Why