Working on an analysis of alternative marketing strategies for attracting customers to a retail website.
The Small Business Administration has a nice summary of the basic requirements on their website. Mostly common sense - don't lie and make sure you can backup with facts whatever you say that your product or service will do for customers. There are more complicated requirements for certain types of products and services, so check out the SBA link. https://www.sba.gov/blogs/how-lawful-are-your-small-business-advertising-claims-tips-getting-it-right