The price of a commission can change drastically due to some factors:

1. would it be exclusive to you? If yes, then the vendor would probably need to charge you for round about the money they'd make with the entire sales of one of their products. For me, nowadays, that would mean some hundreds of dollars or even a thousand or two, and I'm only now becoming a known vendor.

2. If non-exclusive, would the product you want be "marketable"? Would the vendor be able to make some good cash selling it to other people?

3. Is the vendor experienced? Is their work better than usual?

4. How long would it take a vendor to make what you want?

5. Are you on a rush? Would said person have to spend a couple of days sleeping too little, or have to let go of some social appointments to make it in time?

6. Is the item you want in any way registered or could it be considered plagiarism? Would the vendor be in any risk if they accepted to make it for you?

 

Those things are complex. You'd need to explain exactly what you need if you want a base of price.

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Feel free to call me Ohki!

Poser Pro 11, Poser 12 and Poser 13, Windows 10, Superfly junkie. My units are milimeters.

Persephone (the computer): AMD Ryzen 9 5900x, RTX 3070 GPU, 96gb ram.