That's cool, but I am curious about average medium-sized installs that can be done with 12v. or 24v. Where is the break even point in price comparison between a 12v. and 24v. system? At what point does it become a savings to use 24V? Can it be approximated by a benchmark of total feet of homeruns? Of course the wattages from bulbs will matter, but a formula could factor in these variables.