In the refund page:
This product appears to be "not-as-described".
4.It will work for all sites including dynamic websites such as portals, blogs, forums, and online stores.
6.Support of LARGE websites, dividing the sitemap on the parts per 50,000 URLs each and creates a Sitemap Index file according to the Google sitemap protocol.
NO MENTION IS MADE OF EXCESIVE SCRIPT LOAD TIMES WHICH WILL NOT WORK ON 90% OF WEBSITES
HOSTGATOR LIMITS 30SEC SCRIPT RUN TIME
THIS PROBLEM, AND IT IS A PROBLEM, SHOULD BE STATED ON THE PAGEhttp://www.xml-sitemaps.com/standalone-google-sitemap-generator.html
11. SITES WITH MANY PAGES MAY CAUSE OUR SCRIPT TO TAKE A LONGER TO COMPLETE LOADING, IN WHICH CASE VPS OR DEDICATED SERVERS ARE SUGGESTED.
This needs to be added, because you're mass marketing a product that has very limited use and a poor refund policy and even worse tech support!