All payments are processed by PayPal and Stripe, world leading payment systems. Even if you don't have an account, you can easily pay via Credit/Debit card. Here you can find how to pay with your Credit/Debit card: www.flodeals.com/card-payments
We do not store any payment data on our web-site. Anyway, your payment info is entered directly to PayPal, so it is impossible to intercept your payment sensitive data. PayPal use 128 bit SSL encryption.