yes i use to but due to low market its has been now less and not profitable .so need to stop it . but yes if the market will be go up then all will be profitable ..also new miner are coming to market after that may be increase in profit .
What hardware you are using and pls give details
I am not having mining rigs but know some people who mined earlier and they said mining bitcoin with low hash rates miners are no longer profitable either built a huge mining farm and earn lot or just gor for GPU mining with altcoins.