Common Google Ads Mistakes Costing Businesses Thousands

Google Ads remains a powerful channel for Australian businesses, especially in Sydney, when campaigns are properly managed. The guide outlines five common mistakes that continue to cost advertisers thousands and offers strategies to avoid them. One major error is poorly structured keyword targeting and overly broad match types that attract irrelevant traffic. Despite 2026 automation, broad keywords require strong negative keyword lists and robust conversion data to prevent waste. A second pitfall is ignoring conversion tracking and data accuracy, which impairs optimization and leads to wasted spend.