I've heard some days are better to send out mailers than others. What would these days be?

Mail them on Friday so they get there on Saturday. Most people will take a little more time to read the mail on a weekend.

"Best day" is a myth, CaliRealtor.

First, if you're mailing in volume, you're using bulk rates and there is no way to time the delivery. Your drop days could be spread over 3-4 days.

I've heard that Monday is the first day back after the weekend and Friday is the day before the weekend, so in theory, people are too busy to read mail.

Simply not true.

The fact is that the right campaign will work regardless when you send it. All you need is:

1. A compelling sequence of messages
2. Strong, relevant offer
3. The right audience