Like a tiny snowball causing a giant avalanche, making a small mistake while playing poker can lead to disastrous consequences. This is especially true while playing no-limit Texas Hold’em. The ability to put your entire stack on the line at any time greatly increases the impact that a single mistake can make. The earlier in a hand that you make a mistake, the more time that mistake has to snowball into an avalanche of bankroll destruction. One of the best ways to have a significant impact on your overall profitability is to take a look at your pre-flop game and see if you have any leaks there. The mistakes that you make pre-flop are magnified on every street, as the pot grows larger and larger. That early position limp with 46s can end up costing you your entire stack when you get raised all in on the river with a bad flush. By playing tightly pre-flop and using position to your advantage you can minimize the overall cost of mistakes. Bet sizing is one method that can be used to reduce losses. If you currently make continuation bets (cbets) of 80% of the current pot, try reducing your bet size to 65% ...