[iMSystem]

Originally Posted by Nemo

No, in a lot of cases, you pay AFTER receiving good or services. For example you pay a plumber after he repaired the links. It's also generally the case in B to B.

For real life things where you have a receipt or proof of transaction.

For digital goods, it's the other way around, you usually pay before something happens, because there are a lot of easy ways to scam people out of digital goods.

Think about it, how many times have you paid after you got something online?