The phrasing 'you cost' is incorrect since it does not make sense in English.
Instead, you can use the phrasing, 'It costs you,' or 'You pay.' For example: "It costs you five dollars to enter the park."
A fan who heckled Greg Norman the week after his infamous final-round collapse at the Masters in 1996 — the guy spoke for millions when he told the Great White Shark "you cost me a lot of money last week" — was hauled off for being drunk and disorderly.
Will you cost your policies pre-election?
"You cost me the game," the coach shouted.
"When you take Manhattan off the table," the official said, "you cost the state billions".
"That's how much you cost me," he is reputed to have said, before firing the man.
You cost them their jobs – half a dozen loyal souls cast out because you lost.
Q: Have you costed this out?
Q: Have you costed your pledges?
I've got some news for you: Cost-cutting alone won't guarantee survival.
The team at SnipSnap has been quietly plugging away on an Android version of its popular mobile coupon app for what seems like ages now, but the wait for all you cost-conscious Android devotees is over.
He can tell you its cost.
