How I sell my leads / rent a website?

Which company is best for buying lead? I have too many site and That's are now some of are ranked.

My plumbing site is now almost ranked.Now my question is: How i'll rent my plumbing site?

How to sell Plumbing lead / which plumbing company is best for buying lead..

Share your strategy 🙂 Thanks!

Digital marketing agency in darbhanga