Its straight forward, accurate, easy to use and covers all possibilities. Plus it has an IRS audit gurantee. And your data is kept away from the internet. All for a deductible cheap price.
Pros: Easy to prepare, Easy to import documents, Fast
Federal program is excellent, have been using it 15+ years. Have also tried the big competitor, prefer H&R Block much more. If the Federal program is A+, the state program is C- at best. Basically expects you know exactly what you're doing.
Preparation sheet that tells you how to file by mail does not tell you to include schedule 1 in with your 1040 form which will result in IRS rejecting your return.