Your email campaigns are only as good as your lead lists. Whether you're a pro campaign builder or not, you can't expect a high return on email prospecting without first targeting the right audience. Don't believe everything you hear about buying leads online. There are just a few bad list providers out there ruining it for the rest of us. The key is knowing how to find the best list provider for your business. You will increase open rates, engagement, and ultimately, your customer base by investing in high-quality lead lists. If you're using email for sales prospecting and looking to maximize your return on lead lists, keep reading.