One thing to say mining bitcoin consumes a large amount of electricity and it would take lots of equipment to manned the mining. There should be a development in making the cost of bitcoin lower; given that lower mining cost could yield a higher profit. However, it matters on trading and exchanges.
If you are a miner you should know something like this before. Mining bitcoin should have a lot of capital besides the cost of electricity should be considered, so you will know the profit in the future you can get when you start.