Go to the InvoiceFlash website and choose the option to apply as a seller. Fill in the registration form with your username, email, country and a password.
Add the rest of your seller details, such as email, country, phone number and how you want to be paid. Approval usually takes up to 48 hours.
Seller payouts are made via PayPal, once a month, within 7 days of the month closing.
InvoiceFlash charges sellers a 20% commission on sales.