A. i can tell you wich strains stink to high heaven, but low odour high potency strains im not sure about, google it would be my advice
B. It doesntmatter how many plants you are growing on wether or not you should insulate, thhe ? is, what kind of light are you gonna be using
C. Some ofthese guys are clowns who dont know what its like to have a girl or wife who just doesnt understand
D. dont really know about tinfoil, its refletive, but flat white paint is just as reflective, and easier to spread
E.You may not really need a fan, but it couldnt hurt, and it also depends on what light your using, hope that helps

all these guys that were hounding you for lying are more than likely either single or live in a medical cannabis state. good luck lennie let me know what kind of light you got and ill answer those other 2?'s