AdSense is one of the most reliable Ad networks when it comes to payments. Minimum payment is $100. From there you can select the earning limit you want to reach before a payment released. Like you can take your payment when your account reach $100 or you are select checks to be send when it reach $500. Publishes don't have to worry because they do send your money which makes them are the best way to earn money online than any affiliate or ppc network.

AdSense Payment Period is net 30. Which means your earnings will be released thirty days after reach minimum payout. Since they accept publishers from all over the world they send payments on time everywhere. This is another reason why AdSense is most popular way to earning money online.