By packing bags for $1 a day and with tips at a Caracas supermarket, Luis has managed to save up for a Japanese sports motorbike. His secret? Getting hold of scarce food before it hits the shelves.

Luis offers preferential access to detergent, milk and sugar to his clientele of about 100 diplomats at a Centro Madeirense shop in the south of the capital. In return, they offer him occasional work as a handyman or courier and loan him money during dry patches.