https://www.lenovo.com/us/en/rewards/ -make a new account and be sure to select the Join Rewards option . Verify your email and login and you should see the $10 reward. Then go here and take the two surveys for $1 each, and fill in your profile for another $2. You can get these items for free:
Mouse or Keyboard
Laptop Sleeve or Backpack
HDMI Cable
Headphones
Or these for money:
Mouse and Keyboard Combo $1
USB Speakers $1
USB Power Bank $4
At checkout, apply your rewards. If you live in a state where tax is charged, you cannot apply your rewards for tax, so be sure to only apply your rewards to the pre-tax subtotal.
Their site is loading very slow, so it might take a while to get through.