Effective ad campaigns will bring more & new customers to the website and generate traffic.
The money will only be deducted from your invested money when your potential customers click on your ad.
With Google Adwords, you can attract customers from any corner of the world by setting up the location in the campaigns and your local customers will be automatically attracted to you that live near your store or office.
With Google Adwords, you can run ads as per your budget whether it is large or small. You can customize the schedule of the ad campaign as per your convenience and choose the time slots at which you want to run the ad.