I have figured it all out!
In the beginning when he was going to have his a$$ rapedid it was the lowly Demon God Kerr and he was so excited to see him he jezzed on him that's why he is so lucky.
It surely is convenient that he randomly got a highly ranked merchant the momene he opened a shop, instead of needing to hire one.
It's okay for things to not just fall into his lap.