Why is it asking me to pay again for TurboTax? I already purchased the Home & Business version. I understand paying for the upgrades.

[DawnC0]

You are using the Online version - TurboTax Self-Employed which is the web-based version.  Use the instructions below to transfer your tax file to your desktop software (Home and Business).   If you have Home and Business, you don't need to file through Self-Employed.  They are 2 different products and since you have already purchased the better desktop version, you can file using that.  You have to pay for the full price of Self-Employed also if you want to file using TurboTax Online - and you really don't want to do that.  

What's the difference between TTO and TTD - version and product compare  https://ttlc.intuit.com/replies/3302260

[DawnC0]

It appears you are trying to file using both online and desktop... - <a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/1899263-what-is-the-turbotax-phone-number?jump_to=answer_3300041">...>