Enter brokerage 1099 from schwab and K1 for single member LLC in turbo tax

The form 1099-B is entered as an investment sale. You enter investment sales in the Wages and Income section of TurboTax, then Investment Income, then Stocks, cryptocurrency, Mutual Funds, Bonds, etc... You can upload the statement from your broker or skip the section where it asks if you want to upload your tax documents, if you want to enter it manually. Choose Stock, Bonds, Mutual Funds as the type of investment you want to enter. You'll come to a screen where you can enter in your sales proceeds and cost basis.

If the Form 1099 is for interest or dividends income, enter it in the Wages and Income section, then Interest and Dividends.

The K-1 form is entered in the Wages and Income section, then Business Investment and Estate/Trust Income, then Schedule K-1.