I figured it out: still use the 1098-B one-by-one method, but later select "small business" option, which will lead to a screen to select whether that is a 1244...
@JamesG1 thank you for your response. I have worthless stocks that the brokerage didn't put in the 1098-b. I also have a bunch of investments in some startups w...
@naru Thank you for your reply. I saw@MaryK4's screenshot. In her screenshots, Turboxtax warns you if you entered excessive contribution for your Elective Defer...
@MaryK4 Thank you for your response. What I was reporting is about "Employer Match". I uploaded a screenshot so you can see TurboxTax allowed me to enter $500,0...