Some common wanted gifts are:
toys, phones, iPods, hair supplies, clothing, money, gift cards, etc.
The most common items are wholesale items that not many people want so the wholesale stores have these promotions as an attempt to bring more people to their online or retail store.
Some people do not want to trade with China, because some of China's goods that we buy are not made well. Or these items have products in them that are not healthy for people to be around.
It is because some people want their skin to make clothing and other items.
Drinking cans are the most common, followed by aluminum foil. Google would probably be a better one for this question though if you want more than that.
Yes, some jewelry television do allow gift items to be wrapped. They want people to be as satisfied about their service as possible, so the gift wrap items.
cause they want too.
Listia only wants people over the age of 18 because some items may be of adult nature.
They just want people's money; really its common sense, they wouldn't do it just because they want to be jerks to their customers.
Usually People give each other what the other person wants. Some people have a Christmas wish list of the items they want.
Obviously all people need basic needs such as water, air, and food. However, you can't sell these at a yard or garage sale. Everyone has different wants, and what people buy at sales depend on what they want. Some people want electronics, clothes, or similar items.
when there are too few items for the people who want to buy them
This really depends on people are after. Some people want electronics or clothes. Items will sell best when priced low and are only slightly used.