Google changed it lately without any special notification. Unfortunately. There are more things to watch out. For example if you set a budget of 100 dollars per day, Google can, and most likely, will, spend 200 dollars in short campaign per day. Another thing: in display campaign, on default, most of the budget will be drained by mobile fraud applications that generate fake clicks. And also by video clicks made by ba…
can you adjust bid to -100% for mobile?