@Mira995, Rebecca was introduced before as the goddess of light and creation.
So Rebecca's daughter is related.
Maybe you're thinking about Irene, the earl's daughter being sacrificed in the beginning, who was also silver haired.
If he only have 50 gold left, what about the construction cost of the new building? And it looks like they didn't give him a choice on which property to buy.
I'm no longer expecting that the next chapter would clarify things, but I hope that before this ends everything would be explained and it would all make sense.