And there is https://www.ebay.com/sch/items/?_nkw=antminer+s9&_sacat=&_ex_kw=&_mPrRngCbx=1&_udlo=&_udhi=&_sop=12&_fpos=&_fspt=1&_sadis=&LH_CAds=&rmvSB=true


That is expensive for those who actually try to find them online!