How do I add income with no w2

You do not need to have Form 1099-MISC/W2 in-hand to report the income.  You are required to report all income earned through self-employment.   You report it as cash and it is treated as if it were on form 1099-MISC.

When you enter the information in TurboTax, just select Additional Income to report your cash/check income that is not reported on any form.  

Sign in to your account.  Click on 'Take Me to My Return'.  Click on:

• Federal Taxes
• Wages & Expenses
• Self-Employment 
• Income and Expenses
• Answer Yes to 'Did you have any Self-Employment Income or Expenses'
• Go through the business set-up screens
• Additional Income

Please note, you will need the Deluxe product to enter any type of self-employment income and you will need the Sef-Employed version to enter any expenses for this income.