Some advice can do your business more harm than good. And first-time entrepreneurs are especially vulnerable to bad advice—even when it comes from other, more experienced and successful entrepreneurs. Striking out on your own to launch a new business is a huge step and when you're just starting out it's natural to seek advice. The challenge is knowing which advice is more likely to help than hinder. In this blog post, serial entrepreneur Alex Turnbull shares five questions that will help you "filter the advice you get and make better decisions."