Appinio offers quick daily surveys that you can redeem for PayPal cash or Amazon gift cards. You can also earn $16/referral when you friend reaches lvl 15.
Turn your everyday shopping into passive income. The Bridge Money app is the ultimate shopping companion that helps you earn money effortlessly, and get cash back on any debit card.
Earn from simply reading paid emails (my main way of earning through them), taking surveys, shopping, uploading receipts, playing games, etc. Earn 30% of what your referrals earn. Cashout @$10.