> 
> The vending machine should use a card like an ATM/gift card, not accept cash. 
>  You should be able to "charge" the card with some cash via a web portal and 
> keep the card in the facility in your space.  If something is needed, one can 
> purchase it with the card.  If there is no money on the card, a person can 
> add cash to the card via a web portal somewhere.   Scenario:  remote hands 
> guy arrives on site, needs an SFP, card doesn't have enough money on it, 
> calls me, I can add the cash to the card, he can purchase the SFP and leave 
> the card in the space for the next time it is needed.
> 
> 

Actually pricing should be 8 bits, 16 bits, or maybe 32 bits for the really 
important stuff.

George

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