An advertiser wants to know the minimum amount of money that she must spend on an AdWords campaign. What should you tell her?
- There is no minimum
The correct answer is: There is no minimum
Explanation: An advertiser wants to know the minimum amount of money that she must spend. Tell her that there is no minimum spending limit. It can be changed according to the ROI and the need. There’s no minimum amount that you have to spend. Instead, you set an average daily budget and choose how you’ll spend your money.
Read more here: https://support.google.com/adwords/answer/1704424