Food for thought: Drop to Cop

The drop to cop method is nothing new to many sneaker fiends especially with the recent economic climate. But for those that may not understand drop to cop, here is the break down. Lets say, a major release is on the horizon and your funds are kind of low. To avoid missing out on the release you sell or "drop" some of your older kicks in order to "cop" or buy the new ones. I can't count the number of times I've utilized this method. And with the help of EBay, I haven't had to pass on too many pairs I really wanted. Just a little something to think about. If you've done this before let me know. Were you happy with the decision or end up regretting it later on?