Sounds to me like they're trying to get some easy money from you. Truthfully, you already have the far more important domain name. I'd offer something like $25

Sounds to me like they're trying to get some easy money from you. Truthfully, you already have the far more important domain name. I'd offer something like $250 and simply walk away if they don't take it. Honestly, that name is in no way critical to your business; you should be more than willing to let it go.