Thanks. At the current rate, 1 day renting scrypt rig is about 0.77 a day. It means that I should pay 0.77 BTC to receive more or less a total amount of 7 BTM daily?
I hope I m wrong

You are!
Current price is less than 0.001 per MH/s/24H
Look here:
https://www.miningrigrentals.com/rigs/scryptthanks a lot. Finally I ve learned how to rent a rig. "a little step for a man a big step for humanity"
Last question: actually my mined stake is " unconfirmed".. Will it be confirmed at the end of the renting period?
thanks and let s go!