1- Preparing bad and unconscious creatives.
2- Inconsistency of initial budget and target audience volume
3- “Call To Action” text and buttons incompatibility with the campaign
4- Sending the consumer to the wrong page
5- Increasing or decreasing the budget unconsciously
6- Making impressions to consumers unrelated to the target audience
7- Inability to create campaigns that support each other
8- Not creating “remarketing & retargeting” advertisement
9- Not optimizing ads for a long time
10- And most important issue, to start without setting up a ads strategy.