Get hosting at Hostgator or somewhere else (who allows adult stuff)

Make sure you sign up with this networks.

Plugrush (Best paying Mobile Redirect)
Juicy Ads (Best Paying for Pop ups)
Exoclick (Best paying for Banner ads)

Most of them pay you via payoneer, paypal, paxum or wire.

So lets go...

First of all and most important is KEYWORD RESEARCH
Try to find unique niche that is not too much saturated,
that is most hard part but...trust me...there is still some available and easy to monetize.

Lets say you build your adult blog with pics.
I wont guide you how to build blog, but i will let you know where to get pics without watermark etc.

So in order to add content to your blog, go to Xhamster.
Explore niche you want and download hq pics you want to post on your blog.

Second

Make sure you open twitter account with same keyword or emd of your site..
Build fan base, because you will drive traffic from twitter to your site.
Make sure you get twitter share plugin on your wp website, to post on twitter from your site.

Also, try to upload pics or videos to other popular tubes such as, hardsextube or cliphunter.
They also allow you to place your backlink there. When people see video or pic with your watermark,
if content is good that should be some traffic coming to your site.

Reddit

Share your pics or videos in niche related subreddits and make sure you dont spam much..
be active community member and share stuff from other sources as well (to avoid to be flagged as spammer)
Reddit is great source of free traffic)

Open few accounts there, use VPN.

Dailymotion

Great source of traffic, allows you to watermark your videos, But...dont upload hardcore stuff.
Also...you are able to place your site url under dailymotion username.

Get backilnks...


Exchange links for free with other webmasters at LINKSPUN
Sometimes other webmasters bitch about if you only have one site for share...try to make few blogs or tubes.
You will get free backlinks easy and fast.