How do you determine bid through benchmark data

 Most advertisers don't know what is the ideal bid for keyword and shopping product group. As Google Ads is data driven tool so it has historical data in it. Know the most important question is how do you set minimum bid?

1. For search keyword you can use minimum keyword bid suggested by Google ads interface or you can use keyword planner tool

2. For shopping campaign product group you can use benchmark bid at ad group level

3. For display and video Campaign you can use minimum bid e.g.   .1 at ad group level