Casino Odds & House Edge Explained
Every game in the building is priced. Some are priced fairly, some are priced like a tourist trap. Here is the arithmetic behind both — and how it drives the numbers inside Last Night at Lucky's.
What "house edge" actually means
House edge is the share of every dollar wagered that the casino expects to keep over the long run. A 1% edge does not mean you lose 1% of your buy-in. It means you lose 1% of your total action — every dollar you put at risk, over and over, all night. That distinction is where most players' intuition breaks down.
Work an example. You sit down with $500 and bet $25 a hand at blackjack, playing roughly 80 hands an hour. That is $2,000 of action per hour. At a 0.5% edge, the game costs you about $10 an hour in expectation. Take the same $500 to a slot machine at $2 a spin, 600 spins an hour, and you have generated $1,200 of action at a 9% edge — roughly $108 an hour. Same bankroll, same seat time, ten times the expected loss. Speed and edge multiply together, and speed is the part players never count.
Expectation is not a schedule. On any single night the variance dwarfs the edge, which is exactly why casinos stay in business and why players keep coming back with a story. The edge only becomes visible across thousands of decisions. You will feel the variance; the house feels the edge.
The table
These are standard real-world figures, and they are the same numbers the game's simulation is tuned against. Where a game offers multiple bets, the edge varies wildly by which bet you pick — the pass line and the hardways sit inches apart on the same felt and differ by a factor of twenty.
| Game / bet | House edge | Cost | Note |
|---|---|---|---|
| Blackjack (basic strategy) | 0.5% – 1% | Low | Decisions matter more than luck over a long shoe. |
| Video poker (9/6 Jacks or Better) | 0.5% | Low | Only if you hold correctly on every hand. |
| Baccarat (banker bet) | 1.06% | Low | The 5% commission is already priced into that number. |
| Baccarat (player bet) | 1.24% | Low | Close enough that either is fine. Never take the tie. |
| Craps (pass line with odds) | 0.6% – 1.4% | Low | Falls as you back the line with free odds. |
| Roulette (single zero) | 2.7% | Medium | Every bet on the layout carries the same edge. |
| Roulette (double zero) | 5.26% | High | Same game, twice the tax. Avoid when both are offered. |
| Craps (proposition bets) | 9% – 16.7% | Very high | The loudest bets on the table are the worst ones. |
| Slots | 6% – 12% | Very high | Fast, weighted, and completely memoryless. |
| Baccarat (tie bet) | 14.4% | Very high | A 8:1 payout on a 9:1 event. Don't. |
Why the edge exists at all
Almost every casino edge comes from one trick: the game pays you slightly less than true odds. On a double-zero roulette wheel there are 38 pockets, so a straight-up number should pay 37:1 to be fair. It pays 35:1. Those two missing units, spread across 38 spins, are the entire 5.26% edge. Nothing is rigged, no wheel is crooked — the payout table is simply short.
Craps proposition bets work the same way, only harsher. "Any seven" hits once in six rolls, so a fair payout is 5:1. The table pays 4:1, which is a 16.7% edge — the worst number on the felt, printed in the middle of the layout in the largest type. Baccarat's tie bet is the same con in a tuxedo.
Blackjack is the odd one out. Its edge is not baked into a payout table; it comes from the fact that the player acts first and busts first. If you and the dealer both break, you lose even though the dealer broke too. That single rule is worth about 8% to the house. Everything you get back — doubling, splitting, blackjack paying 3:2 — claws that 8% down to under 1%, and only if you play correctly. Play by feel and you hand a chunk of it straight back.
Blackjack rule variations are worth real money
Two blackjack tables can look identical and differ by a full percentage point. The variations that matter most:
- Blackjack pays 6:5 instead of 3:2 — costs you about 1.4%. This single rule roughly triples the house edge. Walk away from the table.
- Dealer hits soft 17 — costs about 0.2%.
- Double after split allowed — gains you about 0.14%.
- Late surrender allowed — gains about 0.08%.
- Fewer decks — single deck beats eight decks by roughly 0.5%, all else equal.
The 6:5 rule is the important one. It is the modern casino's favourite quiet price increase, and most players never notice it because the felt still says "Blackjack."
How odds work inside Last Night at Lucky's
The game does not fake results. Every hand, spin, and roll is resolved from a real random draw against real probabilities, using the edges in the table above. There is no rubber-banding, no hidden "you're due" mechanic, and no scripted comeback when the run is going badly. If you bet the tie and it hits, you got lucky. If you grind the pass line and lose, you got unlucky.
What the game does layer on top is consequence. Winning loudly raises Suspicion. Big jackpot hits draw the pit boss. Long sessions at one table give patrons time to notice you and start conversations you may not want. The mathematically optimal play and the narratively safe play are frequently not the same play, and that tension is the actual game. A grinder who never loses a bankroll can still lose the night.
The practical read: use the low-edge games — blackjack, baccarat banker, pass line with odds, correct video poker — as your engine. Use the high-edge games only when you need a fast, large swing and you have already accepted the heat that comes with it. That is the whole strategy, and it is the same strategy in a real casino minus the mob.