Just thought this would be interesting for people to see! Here is how much money I lost and how much I gained after one week of showing. I entered 1,256 horses over Monday, Tuesday, and Wednesday, I currently have 850 geldings, and I'm hoping to double that to eventually get my herd up to 1,700.

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Rider Fees:
Monday: 36,900
Tuesday: 45,300
Thursday: 5,600
Total: 87,800
.
Entry Fees:
Monday: 578 horses for 315,400
Tuesday: 403 horses for 221,200
Wednesday: 275 horses for 158,000
Total: 694,600
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Return:
Tuesday: 578 horses for 470,212
Wednesday: 403 horses for 352,498
Thursday: 275 horses for 254,633
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Total money lost: 782,400
Money made: 1,077,343
Total: 294,943

Can you do a breakdown on how to know if a horse will cost your or make you money? What age and level do they need to be until they actually start making money? Is it worth keeping level 1 horses out of shows, or is it better to have them in those shows for experience?

If you haven't already, I would recommend looking at the showing guides! That's how I learned. You can definitely show level one horses, however they may not make you money at first. Check out the training bars in Eurys guide, as that's what I base my showing off of!