Unexpected results are one of the biggest challenges with accumulator bets. Even when most predictions are correct, a single surprising outcome can ruin the entire ticket. Football is particularly unpredictable because injuries, red cards, tactical changes, and last-minute goals can completely change the result. I think this is what makes accumulators difficult to predict, especially when several matches are combined. The more selections you add, the lower the probability of getting everything right. Personally, I find it interesting how even strong favorites can struggle against weaker opponents. Do you usually include several matches in your accumulators, or do you prefer keeping them short?