Another paid to post site that I signed up with and got paid from is LinkVehicle. It's an SEO advertising company that connects advertisers with top notch publishers. It's actually easy to register with them and get your blog accepted. One can sign up as a publisher, advertiser, and blogger. As a publisher, you can place ads on your blog and every ad placed results in a 50/50 split in revenue. You can also be an advertiser and let bloggers review whatever products and/or services you are offering. As a blogger, you will be asked to write a review about advertisers in compliance with their requirements.
Payments are made through Paypal every 1st day of the month. There's no minimum payout. I was paid for a review I made even when my account balance hasn't reached $10. You can also earn from LinkVehicle through their referral system. Earn 10% per advertiser and 5% per publisher you refer.
For some extra money, better try LinkVehicle.