The interface if very user friendly and all of the prompts were clear. My rating would be 4.5. My deduction was based on the lack of upfront transparency about the additional $44 dollar cost if you select the option to have the filing fees come out of your refund. When presented with the option of paying out of your refund it should be noted on that screen (and not the following) that this a service of the premium package and is priced at $44