I believe email is better than most method of marketing/advertising. You just have to know How. I can get my email-ad open more times than someone just trying to find your links on engines. That is saying lot! Yes I track them.
Join a free safelist for example and watch your subscription email, and you'll find real people sending email ads every hour of the day. Not all, but maybe 100 realtime ads daily.
You see, there's more to it than just sending ads. And one of the most important is to know WHEN to send. Say I'm in Hawaii (and I'am

, and on say Friday, list-members from around the globe are sending ads out around, or between 3pm-8pm Hawaii time, I would then know WHEN to send my ads. Simple really. All you do is look in your subscription email-inbox and you'll see them coming in. This is every day.
My opnion.
Anyway, goodluck!