I have bitmain coupons selling at 60 to 90% off

https://imgur.com/69RjpXr

Coupons : amount : sale price : % off

420$:  0  : 168$ : 60% (sold out @ localbitcoins.com)
400$:  0  : 160$ : 60% (sold out @ localbitcoins.com)
250$:  0  :   50$ : 80% (sold out @ localbitcoins.com)
100$: 12 :   10$ : 90% (expiring end of July)

I would like to use escrows (minerjones). Also, I have posted my coupons in localbitcoins as another escrows option.
https://localbitcoins.com/ad/777233/cash-out-your-bitcoins-bitmain-coupons