They leveraged this wealth in a way that didn't require they pay taxes, yet gave them access to realize it's value, then used its buying power to bid against ot

They leveraged this wealth in a way that didn't require they pay taxes, yet gave them access to realize it's value, then used its buying power to bid against others in order to accumulate more resources that they can then use to accumulate more resources. Some of which they will rent to people that couldn't compete with their buying power.