To begin mining bitcoins, you'll need to acquire bitcoin mining hardware. Bitcoin mining with anything less will consume more in electricity than you are likely to earn. It's essential to mine bitcoins with the best bitcoin mining hardware built specifically for that purpose. So is it really a good idea to start mining?
For me mining is a not good idea for earning bit coin. You can try to read how to earn bit coin in many ways. Investment is the best way to earn bitcoin. But if you don't want to invest, the best way is by joining signature campaign.