Price extensions shows more details about your offer. It shows a set of up to 8 cards that searchers can view to see different options and prices and go straight to the items.
Price extensions appear below your text ads may show on computers and mobile devices.
You are charged only if a searcher clicks your ad on the title or display URL of the ad, or any of the price extension items. The cost per click is based on your bids.
You are not charged if a searcher clicks on the mobile drop-down to expand the carousel.
You won’t be charged for more than two clicks per impression, and if a searcher clicks more than one link, you are not charged for the second click.
Add Price extension
Ads & Extensions.
+ Price extension.
Extract from my Book ‘Making Google Ads Work’.