How to win a million dollars at a table game with a $5 bet

Last update: April 2023

I first wrote this article about 20 years ago, based on this simple idea:  Start with a $5 bet, and double it every time you win, 18 times in a row.  Ta-da, $1+ million.  At the time, it was the only way to win a million dollars quickly with a small bet, besides playing certain slot machines (which had longer odds of winning).

But starting in 2018, a new table game side bet paying $1 million appeared at Vegas casinos.(KTNV, WoO)  Coincidentally, the wager for this bet ($5) is exactly the same as the starting bet I suggested for doubling up to a million.  This side bet has made millionaires out of several Vegas gamblers.

Which way is better?  Well, my way has much better odds.  You're far likelier to win a million by doubling up versus playing the side bet—about ten times better.  The odds from doubling up are about 1 in 260,000, versus 1 in 2,598,960 for the side bet.

Also, the side bet is expensive.  With doubling-up, you'd probably try it only a few times, but with the side bet, you'd be tempted to bet it on most rounds while you're playing the main game.  That would be expensive, though:  At $5/round, and 60 rounds an hour, winning 1/3 of your money back (typical), that's $200/hour gone, in addition to your losses on the main game.  Ouch.  These problems make doubling-up look like the better way to go.

But the double-up method has a fatal flaw:  At some point, when it's time to bet big, say, $2560, or $5120, or $10,240, you're gonna want to take the money and run.  You're not gonna have the stomach to put thousands of dollars on the table.  You'll want to quit while you're ahead.  If not at $10,240, then certainly at $327,680.

Given that, if you're going for a million dollars at a table, the side bet is the better bet, because you can't fail by chickening out.  Once you place your bet, the $1 million prize is possible.  You just need to make sure you're betting it only occasionally, since the cost-per-hour is really high if you bet continuously.

But even though the side bet is more realistic for actually winning the million, the premise of the double-up is interesting, so let's see how you could do it, if you had the guts to keep making the big bets.

The odds

The odds of getting to $1 million by starting with a $5 bet and doubling up 18 times in a row are about 1 in 260,000.  Don't laugh: the odds of hitting a slot jackpot are are often 1 in two million or more, and the top prize is usually pretty far from a million dollars.  And as we saw above, the odds of the $1 million side bet are 1 in 2.6 million.   If every visitor to Vegas tried the method I describe in this article, someone would win the million dollars every two days on average. (based on Feb. 2023 visitor levels)

Table limits aren't a deal-breaker

You might think that you can't actually make a $500,000 bet in order to win a million, because of table limits.  But while it's true that the typical high limit rooms have max bets of $10,000 to $50,000, the ultra-exclusive high limit rooms let you bet up to a million.  The Wizard confirmed for me that the Venetian took up to $1 million when he worked there.

The details

You remember that old story you heard as a kid about the person who wanted his salary to start at only a penny a day and then double every day?  The punchline was that in 30 days the salary would be over ten million dollars.  We're working with the same concept here.  If you start with a $5 bet and win 18 times in a row, you'll be betting $5, $10, $20, $40, $80, $160, $320, $640, $1280, $2560, $5120,  $10,240,  $20,480,  $40,960,  $81,920,   $163,840,  $327,680, and $500,000.  The last one isn't doubled because we don't want to overshoot our goal.  More on this later.

So now we just need to pick a game to play.  We want a game with a high chance of winning an even-money bet.  That rules out roulette, which gives us only a 47.37% chance of winning each bet.  A single-zero wheel is better, at 48.6%, but still too low.  If you're in Europe where they have the en prison rule, then the edge is a respectable 1.39%, and roulette is a decent choice.  If you're in Europe and are trying this with roulette, you can use the numbers below for craps without free odds, since the house edge for both games is similar.

But let's say we're not in Europe and so roulette is out.  An obvious candidate for a low-edge game would be blackjack, which carries an edge as low as 0.20%.  But blackjack comes with a couple of problems:  If we bet the farm on every hand, there's no money left for doubles and splits.  Also, the odds of winning a single blackjack hand is only 1 in 42.43%, which is worse than roulette. (source)  So that one's out.  (The reason blackjack has a lower house edge than roulette even though the chances of winning are worse, is that with blackjack you often win more than your bet, with naturals, doubles, and splits.)

Our next idea might be the banker bet in baccarat, with a low edge of only 1.06%.  And it'll work, though it's not so simple:  In baccarat we have to pay a 5% commission on winning banker bets, so if we win 17 times in a row and lose the 18th, we'll be on the hook for thousands of dollars in commissions.  Ouch!  So to do the banker bet we'll have to squirrel away 5% of every win in order to pay the commissions.  That means our bets would grow slower, and that means that it'll take 19 wins instead of 18.  That's gonna be the deal-breaker here.  The odds of making our $1 million are 1 ÷ 50.68%19 = 1 in 405,236.  We can do better than this.

Next up is the player bet in baccarat with an edge of 1.24%.  There's no commission to worry about, so it's simpler.  The chance of winning a single player bet is 49.317562%, so the chances of winning 18 in a row are 1 in 1 ÷ 49.317562%18, or 1 in 335,715.  This is as good as we're gonna get.

The house edge on the pass line in craps is almost as low, 1.41%.  Yes, the Don't Pass is just a hair lower, but if you wanted the best odds you would have chosen baccarat.  If you're playing craps it's because craps is more fun for you, and if that's the case you're almost certainly going to bet the pass line like everyone else.  In that case your chances are 1 in 1 ÷ 49.29292918, or 1 in 338,748.  Player in baccarat is still our best choice.

The 18th bet

Our goal is only $1 million, but after our 17th winning bet we'll have $655,360.  If we bet the whole thing and win, we'll overshoot our goal.  So, instead, on the last bet we'll bet only $344,645.  If we win, we'll wind up with $1,000,005.  Remember, we started with a $5 bet, and our goal is to win $1 million, not $999,995, so we have to wind up with $1 million + $5, to have won an entire million.

Milking the 18th bet #1: roulette to the rescue

We've got $655,360 going in to the last round and need to win only $344,645 to hit our million-dollar goal.  So we don't need an even-money bet, we can bet on something that pays less than even money, and in return get a better chance of winning.  What we do is to spread our $655,360 over 23 individual numbers in single-zero roulette.  (It's 23 because if we split our bankroll over more numbers, our bet will be too low for the payout on a winning hit to get us to the $1 million mark.)  So we'll bet $655,360 ÷ 23 = $28,493 on each of 23 numbers.  Since we've covered 23 out of the 37 numbers, we've got a nice 62% chance of winning our last bet, which is a lot better than the 49% chance of winning the baccarat player bet.  That reduces our overall odds to 1 in 266,347.  If we win, the payout will be $28,493 x 35 = $997,255, and we get our winning $28,493 bet back, for a total of $1,025,748.

Milking the 18th bet #2: a second chance

A different way of milking the 18th bet is to continue to make an even-money bet, rather than spreading our money out over 23 separate numbers.  At the beginning of bet #18, we have $655,360, of which we'll bet $344,645, to wind up with $1,000,005.  (We need to wind up with +$5 because $5 of the total is the $5 we started with, and our goal is to win a whole $1 million, not win just $995,000.)

If we lose the $344,645 bet, we'll have $310,715 left over.  So at that point we could simply start over again, but this time with a $310,715 initial bet rather than a $5 bet.  And let me tell ya, it's a lot easier to get to $1 million from $310,715 than from $5.

Further, every time we're making our last bet, we'll bet only enough to hit $1,000,000, so we'll have some left over to try again if we lose.

This improves our odds a bit over the roulette option above.  From the computer simulation I programmed to run 20 billion attempts, our chances of success are now about 1 in 260,000.

The odds bet in craps doesn't work

You might think we could improve our chances further by taking the "free odds" bet in craps, since it carries no house edge.  (See my how to play craps for an explanation of this bet.)  I thought the same thing, but a computer simulation proved otherwise.  The problem is that we have to bet only a fraction of our bankroll on the come-out roll so we have money left over to put on the odds, and if we win the come-out with a 7 or 11 then our effort is kind of wasted since our bet was so small.  Incidentally, I did find that betting 1/4th of the bankroll on the come-out (and not being able to put the max down on points of 5, 6, 8, and 9) yielded better chances of success then betting 1/5th or 1/6th of the bank on the come-out roll.

(My sims used 3-4-5 odds.  Casino Royale used to offer 100x odds, but they limited the payout on an odds bet to just $2500, so that wouldn't work for us, even if that game were still available.  Caesars, which allows the highest bets in Vegas, offers 3-4-5 odds, so that's what I used. But when we got close to the goal, I had the sim stop screwing with odds and put as much on the pass line as necessary to hit the $100k goal if we won the bet.)

Getting more playing time

Instead of betting the farm on every round, we could bet only half or 1/4 of our bankroll.  This doesn't improve our odds (in fact it makes them worse), but it does let us play longer.  After all, when you bet everything on every round, as soon as you lose a round, it's all over.  Betting just a fraction of your bankroll each time lets you last longer, even though it makes it a little harder to reach our goal.

Can you try this online?

You can, but the table limits are lower.  The max bet in baccarat is $500 at Bovada, meaning the most you can win there is $1000.  Still, your odds of getting to $100 from a $5 (about 1 in 200) are a lot better than getting to $1 million (1 in 260,000).

How to calculate the chances of winning repeated attempts

If you'd like to get your hands dirty and calculate some of this yourself, the chances of winning an event over multiple attempts is:

1 - (ways to lose ÷ total ways )number of attempts

So if our chances for 1 try at something are 1 in 40,000 and we try 100 times, our chances are 1 - (39,999 ÷ 40,000)100 ≈ 0.25%.  To turn that into "1 in x" style, we divide the result into 1.  So 1 ÷ 0.25% is 400, or 1 in 400.

This formula is useful for other gambling problems.  For example, if the odds of hitting the jackpot on one spin on a certain old-style electromechanical slot machine are 1 in 262,144, and you play the machine for 262,144 spins, you've got only a 63% chance of hitting the jackpot.  Probably not what you expected!

Odds of winning consecutive bets

No article about winning lots of bets in a row would be complete without a table showing your odds of winning several bets in a row in various games, so here you go!

Odds of winning multiple bets in a row (1 in X)
Wins in a row
banker bet
player bet
pass line
($5 start)
Odds are rounded.  Probabilitiy of winning a single round is: Roulette 00: 18/38. Roulette 0: 18/37.
Baccarat banker: 50.682438%.  Baccarat player: 49.317562%.  Craps: 244/495.
Blackjack is n/a due to doubles, splits, and naturals.
* The bankroll column will be less than shown when the play is Baccarat Banker,
because of the 5% commission that must be paid on winning hands.

Related articles:

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