Alrighty, Here is my plan on what to do with said magic cabinet.

First off, get a crate of nutricious food and put it in there for 3 days so I get6 crates of food that I like. Then, I get any gold I can find and leave it in there for a couple of weeks until I get at least 150 pounds of gold, of which I will just keep 75 pounds in there just for consistent growth.

Then I use said gold to get myself an armory. I put said armory in closet for a week and get a good amount of weapons and bullets for myself's. I also get a get up which I really like and is effective at my own protection. I also make a flag for which I will use

I then put myself in said closet and basically try and get 16 me's in there before I just strait up leave 8 in there each day so I will always have 8 more me's come out each day for consistent troop recovery.

Yes, I said troop recovery. With the mass gold stocks I have so far gained from obviously doing this a shitton. I will buy myself a cargo ship in which I will transport said cabinet onto along with at least 150 me's.

Now begins the tricky part of getting a medium sized boat, disassembling it and then putting it into the cabinet. Once done I will leave said parts in there for a week so I can build myself an army of boats to create a nation of medium sized boat craft in the middle of the ocean as I also magic more food crates and water so my nation of me will be well fed.

I will then concoct a plan to begin my most insane plan yet. I will invade North Korea and take it over along with an army of me's in tow. The international community will freak the fuck out at a army of the same damn person taking over a starving country of which will eventually happen due to the magic Cabinet being able to replace any fallen soldiers with new arms very quickly and effectively from my home base in the middle of the damn ocean along with countless boats. I am basically going to zerg rush them into submission when I will finally take control of the country.

During which I will make it known about the horror that occured there with film and pictures... you know, the obvious death camps that were there and basically go, "How could you let this happen?" To any country that disagrees with my methods of actually helping people and stopping this madness and I would make my magic Cabinet known throughout the world. Basically I would then take over North Korea as my new country as basically a gigantic kingdom. However this time I would actually have the means to feed my people while also holding pretty fucking terrifying power to copy anything I want. Hey? Want a few new missiles? Into the cabinet they go! Want to destroy a countries economy and take it over for my own? Get a crate of their cash and put it into the cabinet for a month!

I would not only be a fair ruler, but my clones are me and I love me and we would all understand that the peoples needs are number 1. Besides. I am very empathetic to many people so I could honestly be a great help to scientists who wish to get more helium for their experiments and also for a beacon of nuclear power which I will openly create alongside many other countries so the people of my nation could have heat in their homes and never be afraid of the dark again.

I would then ask my people for what they would want more of and quickly begin copying more. Want more light bulbs? Get me a crate and a week and I can get a shitton of bulbs for everyone. Want video game systems? Sure thing until we would be able to get them into the country legally.

I would become a well loved beacon of hope among the people of the old starving country and even if I should be assassinated, I would have my army of clones decide a good version of me that would take my place so even doing so would be pretty much pointless.

Poltically I would be very friendly with the US and South Korea and any time China took a jab at me I would jab back just by bragging how much Chinese currency I have and is being multiplied by the day and they would honestly be unable to stop it without going through at least 100K me's... now armed with copied tanks and stuff.

Once the world figures out fusion power and stuff. I will then try to literally reverse entropy... of course this is a long way off but I may as well try. Also try and make mechs for me's to have so I could effectively defend my northern borders just in case. A army of clones with mechs is fucking terrifying and I doubt any army on earth would want to deal with that.

Eventually agree to reforming both the Korea's under a single banner under the condition that a new election between both north and south leaders was held so a single good leader could be made. If I didn't win I would just take my massive stockpile of gold/cash and buy out the entirety of the middle east and begin my process of creating stability through education and security being my main goals while also using my mechs to plant trees to reverse desertification of the areas while also creating a good roadway system much like the USA did with the highways to greatly help with trade and overall quality of life for all countries I buy out involved.

By this point I would probably be getting old by the end of making the middle east a livable place again so I would choose my successor of whom I will watch over for a good 20 years before dying of natural causes while the still living clones hide in secret to watch my new successor. My clones having families of their own would then train them in the ways of combat in case the new successor became insane so the people could easily defend themselves from my successor with ease just in case.

There we have it. My tale of how I would use this Cabinet!