Usually an ecommerce website development company or a website owner would just copy Privacy Policies from other websites and use as their own. But this is not recommended as each business is different and thus should formulate its own policies based on how it works and uses customer data.
– What data the website would be collecting and for what purpose.
– Have a clear option to allow the users to not have their data collected.
– Allow the users to access their collected data easily and change/delete.
– Provide security assurance for the user collected data.
It should be easy to access and thus be linked at some prominent areas of the website such as the footer, forms etc.,