Occupation
There are various occupations in the porn industry: For example, you can work as a porn actor, producer or director. It is also possible to write a blog and earn money through affiliate programs such as DVDErotik[1] or Adult Force[2].
If you can't or don't want to invest money in a website at the beginning, you can start by using a free service like Blogger[3].
Please respect local laws, for example, regarding youth protection.