If you are just launching your new career as an online entrepreneur, you may not have a lot of free cash to commit to inventory. One way to kick start cash flow is to begin your selling career with digital product sales through sites such as eBay.

The advantage of a digital delivery product is that it can be setup on autopilot, with limited involvement on your day to day management of the business, allowing you to free up your time to continue sourcing physical products, which at a later stage can bring in higher returns.