One of the greatest benefits of a website is that it allows you to receive payment 24/7, and completely automated!
This simple software app allows you to quickly list your products/services, and when a user selects one to purchase, they are forwarded to PayPal.com (or other payment provider) to complete the payment.
Note that you will need a Payment Account from either to utilize this app:
Also note that this system is only recommended for a max. of 10 items. Any more than that and it may not meet your needs (in which case a Shopping Cart software should be used).