Grave sites cost $25 each, with a minimum purchase of two.

Price: Free, with a minimum purchase of three products.

The minimum purchase is £100 and the maximum holding £5,000.

The switch from a minimum 12-bottle purchase to six happened in September 2009, and has proved crucial.

The minimum purchases required was between $5 and $20, depending on the amount of pictures stored.

Amazon.com led the way last summer by reducing the minimum purchase for free shipping to $49 from $99.

The refund in Singapore is 2.9 percent, the minimum purchase $350.

The minimum initial purchase is $1,000 and additions must be at least $250.

A minimum purchase, typically $100 to $300, is generally required.

The minimum purchase usually is 50 marks (about $35) per store.