
google.com
https://support.google.com/google-ads/answer/6319?…
Google Ads: Definition - Google Ads Help
Google Ads accounts are managed online, so you can create and change your ad campaign at any time, including your ad text, settings, and budget. There's no minimum spending commitment, and you set and control your own budget. You choose where your ad appears, set a budget that's comfortable for you, and easily measure the impact of your ad.