WHAT IS PARKING?

if you have a domain and you dont use it, you can park(redirect) it to a sponsor.

when visitor come and click ads you earn money

www.sedo.com you can try

Parking sites allow you to generate revenue from your domains, by putting a generic page filled with keyword-targeted ads on them. ParkingSite is one of the more popular parking site enablers.

Domain parking is an advertising practice to monetize type-in traffic visiting an under-developed domain name.

How much profit can you make from this practice. Any experiences ?