Nine Hundred Years
"Holy shit, holy shit, holyshit." Smoke coiled out from the old oil lamp. "I actually found a genie." "So you have, young Annie." The deep voice rumbled forth just before the smoke coalesced into a bearded man with shimmering skin. "And you must make a wish."
"Not three?"
"Stories may have exaggerated my generosity." The genie smiled. "One thing, they have gotten entirely wrong. You make a wish, but the next person to make a wish receives it."
"I don't get my own wish? Then what's the point?"
"You receive the reward the last to discover me wished upon you."
"What is it?" The genie shrugged and continued to smile.
Annie thought about it for several minutes. "Okay, I wish for enough locally-accepted currency to ensure a life of comfortable luxury for the rest of my natural lifespan," she said.
"Very well." The genie stood back and clapped. "Here is your boon." Dozens of women clad in scanty silks appeared. "A harem of seventy-one virgins."
"What the... When did this wish come from?"
"Almost nine hundred years ago." Genie and lamp disappeared.
The young women smiled, but Annie could only see housing, clothing, and feeding costs climbing to the sky.