So around 5-6 months i'll get my money back which I have invested in genesis mining
You are making the assumption that your daily earnings will not trend downward as the difficulty and global hash rate both trend upward.
Not exactly a likely scenario.
well again everything depends on what direction Bitcoin goes, also about difficulty as you mentioned. but if we look at the price and contract timing you will be in profit as it is Open-Ended Bitcoin Mining . because its