Small physical casinos cost up to $5 million, and medium-sized casinos cost up to $20 million. Casino earnings depend on the location, size, games offered, and reputation. Before you build a casino, you must have at least $500,000 and up to $4 billion in your bank.

In a 2-1 bet you bet 1 unit and if you win you get 3 returned. In casinos 2-1 bets are on 12 numbers 1 to 12, 13 to 24 and 25 to 36. In fact they can be any combination of 12 numbers be they in columns or rows. However, normal dozens are considered outside bets and often have a minimum stake of $5.00.

An accumulator bet involves combining multiple bets or selections into a single wager, all selections must win for the bet to be successful. This type of multiple betting is also known as Parlay or Accumulator betting. Accumulator bets are potentially lucrative as the odds are greater therefore requiring a lower stake.