The goblins verified that the elixir is real, and MC is their freaking VIP. Aint no way they'd double-cross their money printer.That being said, vv likely Bonggu's family might be threatened by the incarnations... NekoNeko2
He got the money to make the goblin company to work his money give them investment
What if the elixir is a fake and his mom ends up more hurt?