In 2014, The Hello Earth Digital Portal of domain names sold for an eye-watering $2.3 Million USD, The portfolio at the time contained around 1,500 Domain Names, you can see the current Full Portfolio which has grown now to 2000 Domain Names here.
The reported portfolio has approx 50,000 people signed up for push notification updates from the sites which collectively have approximately 3000 visits per day.
John from Strategic Revenue reported on this last year which you can read his excellent article in more detail here, I missed it and it was only brought to my attention by Ryan De Corsie Ewen of Digitalcandy.uk, what do you think of this domain portfolio, would you $3.9 Million USD – You can read the full current sales description here.