Why ROAS is importantROAS metric evaluates the success of your campaign by measuring return percentage based on spending. It can be calculated as: Revenue - Spending(Income) = Profit (ROAS %)With this information you can optimize the success of your campaign even further by removing not performing zones and sources:Where to locate ROAS statisticsTo check campaigns profitability you need to: Log in to your profile > Campaigns > Choose campaign > Navigate to Performance tabFor system to calculate ROAS you need to send us conversion value in the post back, please refer to the "Value variable" article for more information.Values explainedRevenue -  total amount of funds generated before removing any expenses.Spending - advertisement expenses Profit - value of return or pure gain (Revenue - Spending)