Six Tips for Building Buzz on a Budget Six tips for building buzz on the cheap.

Every business needs to promote to attract interest and customers. However, cash-strapped startups often have trouble finding the money to devote toward expensive marketing campaigns. Not to worry: These experts have some smart ideas that won't cost a fortune.

1. Build a network
Whether online or in person, networking is one of the most essential marketing steps any business owner can take--and it can be done for free or for very little cost, says marketing and growth consultant John Paul Engel, founder of Knowledge Capital Consulting in Sioux City, Iowa.

Engel's tips: Attend a trade show (without spending money on a pricey booth) and pass out business cards. Look for local events that are likely to attract customers and influencers; there, you can introduce yourself to experienced businesspeople who can give you tips to help your business.