Budget ideas is a tool in AdWords that can help you evaluate if there is more potential for traffic within your campaigns, as well as how many more clicks you could get if you increased your budget.
Most advertisers do not have unlimited budgets and will not be able to afford increasing their spending to maximize all available clicks. Before you increase your budget, make sure a campaign is profitable first. Review your conversions and cost-per-conversion data and consider increasing your budget if the campaign is cost effective.
To evaluate your current budget and potential impact of budget changes, perform the following steps: