Credit card processing fees range 1.7-2.05% in-person and 2.25-3.25% online. PCI non-compliance costs $10-100/month; security breach audits average $36,000.

Hanna Horvath is a CERTIFIED FINANCIAL PLANNER™ and Red Venture's senior editor of content partnerships. Fox Money is a personal finance hub featuring content generated by Credible Operations, Inc.