Every business is a risky venture, and in any business, you stand 50:50 percent chances of either making profits or incurring great losses. Whether it be an online business or an offline business, every business has its own risk analysis.
This is what differentiates smart business owners from other business owners.
We have a low risk businesses, high risk businesses, and super high risk businesses (my choice of category). Being able to categorize the risk level will definitely guide you in planning your business.