I have a small blog which is getting decent amount of traffic from quite along time (6 months). My content in my site are super relevant to my niche, yeah it may take some to update my blog (2 times a month most) but I make sure my visitors are all along comfortable to my site. I starting to interest in making some money from it. So, if anybody will give me some specifics about the pros and cons of using an ad network for monetizing any site will be very grateful.

I hear this thing a lot that people do content marketing in forums. And they drive tons of targeted traffic from them. Are there any tricks or procedure?

How does search engines treats sub-domains? Are they going to effect the SEO of one another. Or the root domain SEO will effect the SEO's of sub-domains?

How to do SEO on an expired domain? Should building content and new links help?

Is it necessary that I build landing pages for both PPC campaigns and organic search separately. I just recently heard that some PPC networks doesn't allow to have same landing pages.

One of my site is getting pretty much targeted quality traffic per day from organic searches most and also referral traffic from social media accounts. So, I think its time to monetize it by selling banner spaces of my site? How should I do it? And also please suggest me some good ad networks which pays are high.

How can I determine the PPC rate which I should pay for each click on my keyword? I am starting a new site. And I am thinking about starting a Google Adword campaign to promote it.

Is buying email lists from my fellow bloggers is a good option?

How can I write effective content for affiliate products that can get sales good? I am looking for a format or general way of instructions to write content.

How to get traffic for my blog specifically from USA?