I Think It is Better to Post This Requirement In Goods - Digital Goods Section, You Can Their Do Sales or Buy Digital Goods There With High Response. Just Move This Topic to Digital Goods Section. Thanks
More over You Have Negative Trust So, You Will Not Get Good Responses I Think So, Even You Get Sellers or Buyers asks to Use Escrow. So, It's Better to Check Solution to Remove Your Negative Trusts.
Thanks