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?
Unless you have experience it is not really recommended to start mining right now, it is not even clear if you can even break even right now since the price of bitcoin is so low, so you will probably have to look for other cryptocurrencies to mine and you will need to have very precise calculations about how much money you are spending in electricity and the amount of money you paid for your mining hardware and what are the expectations of growth of this other coins and that is a very complex thing to do.