How much does the second hand usually charge for monitoring?

Second-hand generally charges a monitoring fee of 5% of the promotion fee. According to relevant public information, the monitoring services of advertising monitoring technology companies are generally charged according to the proportion of promotion expenses, and the monitoring expenses are 5% of the whole promotion expenses. Beijing Second-hand Information Consulting Co., Ltd. was established in 2006 and is headquartered in Beijing. The second hand "AdMonitorLite" is an online advertising monitoring system for recharging consumption, which charges flexibly according to the daily traffic. On the basis of ensuring the safety, real-time and accuracy of monitoring data, it saves advertisers a lot of time and money, and greatly reduces the threshold and risk of enterprise marketing digitalization.