Bitcoin mining is 50% less profitable than Litecoin mining right now, see coinchoose.com
Please explain to us how you think that litecoin is more profitable than bitcoin?
50% is such a nice even rounded number, that I'd like to know how you mathematically reached it.
That website does not compare BTC to litecoin.
I used a litecoin calculator and found that it earns less coin and less USD per GPU.
I am NOT using "room to grow" speculation.
Speculation is guessing. Guessing is not fact.
Lets talk about today, not the hypothetical future.
If you're only interested in talking about "today", you may very well not mine. Are you going to invest, get ROI today? Anytime near today? Ever before? No and no. So...