At the end of the day your all time #1 investment in my mind is land. Assuming you’re not paying 8k/acre for it but someday that will be considered cheap I’m sure
I would tend to agree with this statement for a couple of reasons, and strongly disagree for one reason. Firstly, I can't think of a single parcel of land that was purchased and then resold for a lesser amount when it comes to agricultural land or hunting lands. I'm sure there are examples of it out there, I just don't know of any and that makes it a pretty safe investment. Secondly, you earn passive income by just buying land as you will most likely turn around and rent it out for ag purposes, or maybe even parts of it for commercial and industrial use. Not only can land earn income from ag rental, but wind turbines, pipeline easements, cell towers, etc, etc all add up over time if you have the right location.
The problem with buying land as an investment, and this is a huge problem for many, is that the passive income is usually not nearly enough to make the bank payment for those who can't afford to come up with a down payment of around 50%, or more. This means a person will often have to supplement the cost of ownership (bank payment, taxes, upkeep, improvements) with what is often a non-trivial dollar amount from their other income sources.
I have put pencil to paper a number of times on purchasing land for my own hunting and enjoyment only to find out that the number of acres I want (160-1280) would require far too large of a supplement from my day job for the cost of ownership. That income is often better spent on other things that I want. Obviously, It's all about one's personal priorities. But damn if I don't want to own more land!