1) Is Youtube Riches affiliated with YouTube?
No. Youtube Riches is not affiliated with YouTube. Youtube Riches service is intended to augment, supplement or enhance the service provided by Youtube, at http://youtube.com
2) How & When can I Withdraw my Earnings ?
You can withdraw your earnings by Paypal only.

You can withdraw your earnings as soon as your account reaches minimum payout which is $5.00

It may take up to 7 business days to complete the payment process from the withdrawal requested date. Normally payments are processed within 24 hours.
3) How do I promote my videos on Youtube Riches?
Click on "Promote Video" located in top right of your page and include details for your video(s).