Which marketers should I follow to get suggestions for more conversions and better ROI?

Looking for the best Email template maker, I am not much of designer or programmer so if a drag and drop service is available then it will be utmostly helpful.

Our site already has a mobile version but I was wondering should I add a plain HTML one too. Will it be helpful for our audience?

I got 12 backlinks in one day, will I be penalized? Its just that we published an article and then republished it in an paid directory. And it got 12 backlinks in one day, does it look suspicious to google somehow?

How To Maintain Keywords in First Position?

PPC vs SEO, Which one is best for online business?

Currently we are looking for a good keyword research and we have narrowed it down to these two. As they both are very expensive so we have to go for just one. Which one should we choose? Any kind of previous experiences of these products or problems if shared then its much appreciated.

Our blog is often crawled but not all the pages are getting indexed. What's the issue here?

Can anybody provide me a good image re-sizer that can reduce or customize the resolution of any image given?

I am here trying to start my career as a PPC Manager. So, I was wondering does Google Adwords certificates helps? I mean to gain trust of the clients and all.