The secret to baccarat, Sally, is that there is no secret, so long as you stick to the Banker or Player wagers. You will not break your “lose everything, win nothing” track record by betting on a high vigorish proposition bet such as the tie wager, when the two other, far less punishing, alternatives are available.
As for that tie bet, it is the only proposition wager on the table, and a lousy one to boot.
Statistically, a tie appears every 10.5 hands, but the casino is willing to pay you only 8:1, which gives the house a 14.36% edge on a tie wager.