Double Your Profit With These 8 Tips on Email Subject Line Double Your Profit With These 8 Tips on Email Subj | Página 10

5. Evidence
No matter what you're
selling, whether it's a
product or a service, your
prospects are going to want
to know if it works and what
it can do for them before
they even contemplate
making a purchase. To show
that you have a product or
service that's worth buying,
an evidence based subject
line based on the findings
from a case study is always a
good idea, simply because
this shows your prospects
that what you're offering
works.