@EmperorBTC Is this a trick question? If I'm not mistaken, it is 12÷10x16÷14=1.37 or 37% profit. Assuming you reinvested all your money from the first sale and minus any fees.
@normanswan@HachetteAus Hi Norman, I loved listening to your latest book on @audible_com . I'm wondering whether you have any thoughts on health concerns related to plastic use with food, particularly when heating or cooking?