How Do You Manage Your Invoices?

Freelancers, independent contractors, and small businesses all face the same challenge when it comes to invoices: What's the fastest, cheapest, and easiest way to manage them? Lifehack.org rounds up various Web-based invoicing options, everything from PayPal to FreshBooks to Zoho Invoice.

We've looked at a smattering of invoice services in the past, including CashView and InvoTrak. As someone who relies on an Excel spreadsheet, which barely gets the job done, I'm curious to know what method(s) you use. A Web service? QuickBooks? Something else entirely? Hit the Comments and share your invoice-management secrets. Photo by miguelb.