Levels start out mostly quiet and you collect coins on each screen.

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Players can either collect or purchase coins via in-app purchase to feed critters and restore energy.

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Half the states, including Illinois, Georgia and Michigan, don't collect sales tax on gold bars or coins.

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So I can imagine some likely lads putting 2 and 2 together and deciding to try and collect as many of the old 1 Rs coins as they can.

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Jim Halperin sells coins, but he doesn't collect them.

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