So many of my rookie mistakes could have been avoided by first-hand exposure to other, more experienced technology entrepreneurs.

As we've grown 'The Daily Muse' and met contacts who want to collaborate with us, knowing who does what has helped us be clear on who we want our partners to connect with - and makes us look buttoned up, too. SEO firm? Talk to our COO. An editor from the 'Huffington Post?' Meet our Editor-in-Chief.

Get your product in front of actual, living, breathing strangers. Your college roommate's approval does not mean there's market demand.

Sure, it's fun to chat with people with interesting backgrounds who seem to have a passion for your company. But a job interview is not a friendly chat. You need to determine whether candidates, can they really do the job. So ask them to prove it.

The best cover letters I've read are from people who have a passion for my company, and can make that passion come to life on a page. The letters that make me say, 'Yes! This person really gets it.' Because, at the end of the day, I want to hire people who already get it. Most hiring managers do.

For those working menial jobs or putting in 100-hour weeks for corporations, the lure of starting your own business can seem like a great way to get more flexibility, upside, and ownership.

If you're able to arrange a trial period with a new hire, do it. It will give both of you a chance to make sure the position is a good fit - and can help you avoid being in the awkward situation of wanting to fire someone three or four weeks in.