If a friend joins PayPal, you each can earn 1,000 points (redeemable for $10 cash back). Just follow 3 simple steps. Send an invitation to a friend who doesn’t have PayPal. Have them sign up and link their bank account or card. Tap to join PayPal: When you spend or send at least $5 (within 30 days of signup), both of us earn 1,000 points (redeemable for $10 cash back). Sign up and link your bank account or card.