Given the same game, the expected loss is the same making a million bets of $1 and one bet of $1,000,000. It does not make any difference how you break up your total amount bet. What you can expect to lose gambling is the product of the total amount you bet and the house edge. It is not a topic I address often, because money management is just mathematical voodoo.
I get asked a lot about Money Management in gambling.
On This Page Money Management Advice Introduction