Can you afford to wait a minimum of 12months to make any profit? That's the question you need to ask.
Yes.
And a 100% return on investment in 1 year is gold
Is there a real possibility it can go there?
Yes,
but Bitcoin mining is pretty risky to get into now because:
-You don't know what transaction fees etc. will be in the future so your income will not be consistent.
-In 4 years there will be another 'halving' in which the rewards for mining a block will be cut in half, making it harder to profit.
-You need to consider exactly how resolutions to block size issues are going to affect mining.
Fortunately what will make you profit is holding the Bitcoin you earn, as it is most likely that the price will rise over time.