Blog Money Machine is it work?

Ok lets talk about earn money on line .many effort we can do to earn money through on line. first you can earn more money join another social network, pay per click,paid forum, write review,get paid to blog
get paid to post , make money blogging and another thing. and than i learn and learn more (i am googling ) and find "we can maximaze our blog to make money " how it can be happen? nice question the first answer is through blogs advertising,again is it works ? yes is it works .why? for example if you have a product you need to sell it ? you need take smart to bust your selling ...advertising and blogs..the most important thing is like commercial tv try to make us buy their things and you now what this is worked.It is same like your blogs you need to advertise it advertise on blogs again is it works? depend where you put your blogs to advertising and blogs (choose the legit site to help you advertise your blogs- it is like the big factory pick the best advertising agent. Is it works ? yes it is ... can i found it ? the answer is "yes" where ?and this the real fact .