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?
It depends on how much youre willing to spend like the cost of your hardware. and electricity cost also profitability depends on many factor like hash rate ,block difficulty and pool fees. if your budget is tight and you want to stick in mining then you can choose altcoins to mine then convert it to BTC.