Please evaluate with care the size cable you run to the shop out back when you build it.
Copper is very expensive these days so you want to select the size carefully for a cable.
However do not only look at ampacity but also voltage drop as this can be a factor and result in poor performance and burn out of tool motors etc.
I am certain that Steve Sells or I can assist with voltage drop calculations once you have the specifics.
Also instead of a cable look at the price of PVC conduit and individual conductors as opposed to cable. PVC conduit is cheap and allows to to repull the conductors should they fail without digging up the yard. Just make certain that your wires are correctly color coded with electrical tape at each end.
Of course Aluminum Triplex run overhead is a lower cost option but may not be permitted in the neighborhood. Also the whole issue of aluminum wiring comes up and there may be local restrictions on the use of aluminum wiring. Aluminum wiring has caused many fires due to high resistance connections generating heat.
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