Most customers prefer to pay in cash on delivery, and about a quarter of goods are rejected at the door.

ECONOMIST: Selling clothes online in Russia

For starters, Gavet says 80% of her customers pay for merchandise in cash on delivery.

FORBES: OZON.ru CEO Maelle Gavet: Running Russia's Amazon (VIDEO)

Based on what the advertiser wants to pay - we optimise the delivery of the ads to get them the best return on their money.

BBC: Technology

In response, he now asks some customers to pay upon delivery, using PayPal Here on his smartphone, which gives him an inflow of cash "in fractions of a second, " he says.

WSJ: Mobile Payments Brighten Small-Business Cash Flow

Aaron, whose firm offers futures on 90 red Bordeaux (pay now for delivery of 1999 vintages in spring 2002), says that some labels are stuck at the same prices they were at a year ago.

FORBES: Drink It Up

The Web site tells what insurance companies pay, on average, for procedures ranging from Caesarean delivery to a colonoscopy.

CNN: How to bargain hunt for health care

Until mid-May, bullion dealers could place gold import orders with a designated bank by paying a margin upfront and the rest on delivery, but a new rule stipulates they pay the entire amount before importing.

WSJ: India May Consider More Steps to Curb Gold Imports