Your body prep is absolutely stunning but like everyone else said the mane needs some work. I'm awful at manes but I might suggest that with your color swatches, I can tell you use different colors if I zoom in, You should use a couple of darker colors and maybe a couple more strands of the darker color could help give it some depth. Right now it looks unfinished but some darker strands of hair and some shading could make a big difference. :)

Thank you everyone for the input! I really appreciate it. I'm still looking for pricing of the pieces!

You've certainly had a lot of critique lol. I'd say you can definitely up pricing to mid/higher tier 3. Probably around 20k for a stable set and 15k for a horse avatar <3

Thank you so much!