Well, a Metric ton of hard red winter wheat costs 210 USD atm. The whole food thing is not a problem since he can travel, between worlds and already sold stuff from our world there. It shouldn't be a problem to buy a ton of wheat and just sell it at a lower price over there.
He would need to...
According to the raw website, the next chapter will be out somewhere between the 30.10.2018 and the end of January 2019
I really wanna see that noble getting beaten to submission