In case you did not understand my previous post, you do not need real hardware to get those answers.   The actual real world numbers will vary a bit (small percentage), but certainly the tools provide enough information for you to figure out if the project is even worth building real hardware for.

(hash rate, power, unit cost)

Obviously, since unit cost is in several thousand dollar range, the hash rate and power consumption from your analysis would need to be compelling to be marketable.