Amount of BTC: 0.1
Collateral: I do not know if it's enough, but All the time I invest in rig: My address on miningrigrentals.com BTC: 1GsgGDNbbVavFoCtfEo6zH7pBscv8bfmNA
Interest: Rental rig for coins, whose difficulty varies all the time. Rental only rig at the time of decline of difficulty to increase profit.
Length of time: 1 weeks
Repayment amount with interest: %20 , re-pay: 0.12 btc)

If the amount is too large please write.

I have written elsewhere, but did not get a specific answer.