In-N-Out's menu is short and easy to take in, especially when you're waiting to take your order at the drive-thru. But there's also a "secret" menu that's not so secret at all and as easy to order ...

That item is typically priced around $5.50 in California, according to SFGate. Savvy In-N-Out goers figured out that ordering the patties and cheese individually comes out to about $3.40.