There is no need to spend a huge sum of money to start up a business. Below are links to help you do very affordably.
Easy business finance software linked to FreshBooks $0
receipts and business cards scanned for $0
easy-to-use web-based sales and contact system for $5/month
the fastest way to track time and invoice clients for $0
online bookkeeping service for $0
computer thrift store selling good computers for $89-309 (and they're nice people too!)