With zero leads, I'd say https://flippa.com/ https://flippa.com/ is your best bet. Though I'm not sure if you'll be able to hit 4+ digits with zero content or t

With zero leads, I'd say https://flippa.com/ https://flippa.com/ is your best bet. Though I'm not sure if you'll be able to hit 4+ digits with zero content or traffic. Alternatively you could try cold-contacting various existing sites who you think would be interested in the domains.