how much would a full set of 128 joints cost? and would anyone be willing to sell me theirs?

90-130k
and you could make a buying thread on market subforum.

Bowler hat?

512 ground?
full 256?

W/o jnts?
Around 90k

Both Kickin' kicks and Jiyü Dreads?

50-70k all of them

512 head?

17-18k

128 ground?