The for-sale listings on the online hub Craigslist come with plaintive notices, like the one from the teenager in Georgia who said her mother lost her job and pleaded, "Please buy anything you can to help out."

Or the seller in Milwaukee who wrote in one post of needing to pay bills - and put a diamond engagement ring up for bids to do it.

Struggling with mounting debt and rising prices, faced with the toughest economic times since the early 1990s, Americans are selling prized possessions online and at flea markets at alarming rates.

To meet higher gas, food and prescription drug bills, they are selling off grandmother's dishes and their own belongings. Some of the household purging has been extremely painful - families forced to part with heirlooms.

"This is not about downsizing. It's about needing gas money," said Nancy Baughman, founder of eBizAuctions, an online auction service she runs out of her garage in Raleigh, N.C. One former affluent customer is now unemployed and had to unload Hermes leather jackets and Versace jeans and silk shirts.