I received notice that I got my request; payment is authorized, now the waiting begins.

Experience strengthens one's ganza-fu. Additionally, you need to avoid interruptions during the time block, some luck (you have to refresh the right forum at the right time), attention to detail (to catch the post and not be fooled by "fake Jerrys"), and a reliable Internet connection. If you didn't score this time, you'll be better prepared for the next one.