Production Simulation and ROI at DEC with a Leased Plot in Splinterlands: Land

Good afternoon everyone, my head almost exploded today from doing so many issues. I've been thinking about buying Land: The Secret of Praetoria and to do so I started reading the entire guide there is for it (and I want to say that there is a lot of information but very few examples to see how it is executed).

Well, in case you haven't noticed yet, before doing something I go inside and look for all the information and after having it I do an analysis to see if it's profitable for me or not (that doesn't mean it's profitable for other people).
This is my simulation as if I had a plot of land.
One of those days, when I was bored and didn't know what to do, it crossed my mind to participate in the land ecosystem in Splinterlands, but of course, I didn't own any land.
In this case, I had some questions, but with the information you provided, I got an idea of what I would have to invest, and here it is.
- DEC en Power Core: which in this case would be an initial investment of 10,000 DEC
- DEC in Energy Staking: initially 25000 DEC
At this point I was starting to get a little nervous since without having anything yet I had to put 139 hive which is more or less $23
- Plot rental: 0 DEC (assumed by 50% revenue share)
- Card cost (staking): 0 DEC (own cards)
- Upkeep cost: ~23 Grain (auto-feed) = ~1.15 DEC (at an estimated 0.05 DEC/grain)
All of this added up to 35,000 DEC.
Now of course I have to simulate the production of all this and I did it for a week, that is, 7 days, and these were the results.
Grain obtained (your share): ~104.5 Grain
Estimated Grain Price: 0.05 DEC per unit (typical market value)
Value in DEC: 104.5 × 0.05 = 5.23 DEC
And here is the great result (if there is any mathematician among us, please correct me if I am wrong)
Weekly ROI= Net Profit/Total Investment = 35,001.15/5.23 ≈0.00015=0.015%
Estimated Monthly ROI (×4 weeks): ≈0.06%

Could someone please answer my question, because based on the simulation I ran, the only ones who win, from what I can see, are the game administrators who are lining their pockets. Or am I mistaken?
This is my conclusion.
It's clear that everyone will think the same as me, but I think most people think so. I'd like to hear the opinions of any users who own a plot of land and whether it was a good investment. I also know that renting a plot of land doesn't give you access to Castles or direct research, but it does allow you to:
Generate resources with low initial risk.
Participate in the Land ecosystem.
Gain experience before investing in your own land.
Position yourself for future, more complex phases (such as Land 2.0 or Research War).
And it's very, very clear that it's not worth it if you're looking for quick profits or high profitability without additional investment or production diversification.

https://x.com/wizloge/status/1943674453788954882
It's more profitable to do it with stone. Here's my calculation guide & simulation:
https://peakd.com/hive-13323/@beelzael/i-just-cant-make-land-work-post-looks-huge-but-most-is-math
It's an old one, prices have changed since then, I've written and calculated a lot since then :-D
TheJedo also did an experiment with one plot renting one card, here's his post:
https://peakd.com/hive-169191/@thejedo/splinterlands-virtual-real-estate-updates-land-earnings-and-sentiments-towards-modern
But you have to keep one thing in mind: if everyone starts producing stone, its value could drop; the same goes for if demand for grain increases, and you have to take that into account in your calculations. Another thing: if the BCX chart is up, you have a problem, since if it goes up, you'd have an initial investment problem. Otherwise, your numbers are fine, since I reviewed them and they're correct.
Absolutely correct, I addressed both points in my conclusion - it's a momentary calculation, things change rather quickly. Though stone is still the most precious resource, considering the Grain Factor.
I personally have all resources, but 2 grain plots, so I can shift around a little if push comes to shove. Currently, I'm focused on producing more stone than anything, as it pays off. But if things balance out, I can change staked cards around.
You can find more details in Beaker's Land Tool about prices as well, as well as in the "Praetoria" community. Lots of posts about Land there. Azircon does a lot of great analytical posts and such.
Oh my goodness, I'm currently simulating StakeHouse Den, and I assure you this game was created solely for the creators to win. It's a disgrace. I'll upload the post tomorrow, and you can read it. Cheers.
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Now, since for one month in the game, you have figured it out, can you kindly explain to me, how exactly are the game administrators (whatever that entails) lining their pockets? Just curious you know ...
Having a sentiment and opinion is cool and all but maybe before going around throwing accusations, do a little more indepth research, just out of courtesy to the community, you want to be part of.
And now I will be patiently awaiting Your explanation, about the pocket lining
@bebeomega I apologize if my words weren't well-chosen. I meant to ask this question.
And that's not harassment, I just said what came to mind at the time, and you're the first, well, the second. The first was @Beelzae, and I don't know how upset you are, but I say again, I don't mean to offend anyone, and if you felt offended, I apologize again. But you can also tell me if I made a mistake in my calculations, because these are the numbers I got.