Keeping Windows 10 for a fee of $30.00 ?

He must be talking about Extended Security Updates which costs $30 for a year.

Read more about it: https://learn.microsoft.com/en-us/windows/whats-new/extended-security-updates

Additionally, Microsoft is offering Extended Security Updates for one year at no extra cost. 

You can refer following community guide for more info about enrollment:

https://learn.microsoft.com/en-us/answers/questions/5489827/how-to-enroll-windows-10-in-extended-security-upda

Hope this helps!