i recommend https://localcryptos.com/. it's a non-custodial platform that doesn't do KYC. https://paxful.com/ is another option, but they will require KYC if you use their wallet/escrow system with that much volume.

ever since localbitcoins ramped up their KYC process and removed cash listings, the market has never been the same. you might need to list your own offers and use multiple p2p exchanges to get the job done with cash.

here is a list of other alternatives: https://bitcointalk.org/index.php?topic=5224711.0