Send Early: Send out these emails first thing this morning. Mornings are usually best because that's when people typically get to work and sit down to check email.

Keep Subject Lines Simple: Subject lines should (drum roll please) describe the subject of your email. When you write your subject line, don't sell what's inside-tell what's inside.*

Avoid Spam Filters: If you want people to open your emails, you have to get past their spam filters first. Avoid using spammy keywords and phrases, and avoid using ALL CAPS or too many exclamation points!!!**

*MailChimp: Subject Line Comparison
**MailChimp: Email Marketing Benchmarks