I'm sorry you feel this way, but its hard for me to know what happens after the rent time is over. Please PM while its happening.
From time to time the LeaseRig proxy reports significantly less than the advertised hash rate when mining low difficulty coins. Please check your pool for the actual hashrate if you notice this occurring, my rigs are most likely mining at the correct hashrate, it's just the LeaseRig application reporting back incorrectly. And the hashrate will fluctuate quite a bit when your rent it for a short amount time, but if it was for the whole duration please tell me so we can arrange some sort of compensation.
Regards