That is interesting. Probably a capital intensive business, right?
Probably not capital intensive, but it's super long term. It's standing timber...basically pine trees to be cut into pulpwood. They grow a bit faster than hardwoods. You basically buy a plot of land in the middle of nowhere and manage the crop, which isn't that hard. Each year, based on pulpwood prices you decide whether to do any harvesting or not. Prices are high, you harvest a lot - pulpwood prices are depressed, do nothing. They only harvest a small section at a time and then replant seedlings in those areas.
The vig comes in the form of additional side income. You can bail the pine straw that falls from the mature trees and sell that and you can do well to offer hunting permits on the land as well if it's placed correctly. There are other things you can do with a large rural plot like that to juice the income while you wait for your trees to grow.
I never got into it, but I think it's pretty cool.