𝕽𝖊𝖝𝕸𝖎𝖈𝖐𝖊𝖞

depends what's actually in it. a full client with a module system and
clickgui is way past €100, that's months of work and it breaks on every mc
update.
a smaller fabric mod with a few modules and a simple gui is doable though.
what version are you on, and which modules do you actually care about?