I've started a blog to review ways to make money online. I have earned money each month from all of the programs and I only review ones that I do personally. They are free to join. Occasionally I will review ones that are subscription type programs - but again - they will be ones I've used personally.
As long as you look at these like your job and plan to "work" them daily, you will earn. But, like anything, you have to commit some time - you won't get paid if you don't use them!
I also have some free places to advertise to help you get referrals - which will increase your earnings.
Be sure to check out my post on "Earnings to Date" to see what I've made so far in each program.
money4mom