How a Former Pro takes advantage by doing an easy job

Arel may have been born as a prince of the Ernesia Kingdom, but this is actually his 101st life! He has been reborn into multiple types of universes that were full of magic, qi, and even spaceships. So this isn't his first fantasy world, and he's going to make use of his magic knowledge to take it easy. His past 100 lives have taught him that the best way to avoid dying young is to keep his head down and make lots of money. But let's see if this reincarnation pro can finally live the sweet life.