The price includes delivery fees.
As-is from Costco Website: The Philips Lumea Prestige IPL is the ideal female hair removal kit that you can use safely at home for underarms, bikini, body and face. The Philips Lumea can be used both with or without a cord. It also comes with four unique curved attachments for body and face, including extra filters.
Official Philips website (Suggested retail price $799): https://www.philips.com.au/c-p/BRI956_00/lumea-prestige-ipl-...
The same official website lists 6 vendors from where to buy and couple of them are offering best price is $699. See if you can work out a better deal through stacking gift cards or cash back.