I'll just list a few of my expenses.
2 cameras (about $500 each).
Another camera which was about $350.
Laptop $600+.
Desktop about $800.
Green screen around $250.
Editing software About $200.
Maybe a couple hundred for costumes.
As well as a lot of other little expense like a mic, tripods, lights, advertising, etc... Way more than I care to admit, lol. Hopefully someday I make back what I've put in but so far, I'm not even remotely close,

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Oh, and I can't forget the endless hours of time put into filming, editing, promoting, etc...