I do have a life, I'm not shut-in or have any sort of psych issues that prevent me going out.
I just live in a remote area and I recently was diagnosed with RA and fibromyalgia, so that pretty much rules out a wild social life.
I try to stay active. My favourite pastime is freediving. But that...
When/if your art becomes a job, popularity becomes important and you can end up falling into that trap of needing to generate that interest or money and not following your heart. Art can be unhappy if you aren't doing it from the heart.
They do say art is only worth whatever someone's willing to pay for it. . .
I would guess this fursuit maker is either very well-known/well skilled and a good networker if they confidently charge this much regularly, or they might just be trying their luck.
There are tailors and seamstresses...