Finance-related keywords are among the most expensive keywords for ____, so if someone begins a startup related to finance, he or she will need to pay a lot to use the service for advertising.

AdWords (now, Google Ads) is an advertising system Google developed to help businesses reach online target markets through its search engine platform and partner sites. These partner sites host a text or image ad that appears on the page after a user searches for keywords and phrases related to a business and its products or services.