There's plenty of money to be made on eBay: $28,000 for a 10-year-old grilled cheese sandwich featuring an image of the Virgin Mary, or even $4,000 for advertising space on a pregnant woman's stomach.

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Don't Know How To Sell On eBay?

eBay is where Stella Kleiman makes her living, albeit with much less exotic wares. It all started with a simple move.

"I moved to New York from San Francisco with my husband. We had a smaller apartment and I said, 'We have to get rid of this stuff,'" Kleiman said.

Kleiman turned to eBay, navigating the online auction house with so much success that she started selling items for her friends. It occurred to her that almost everyone has things to sell, but not everyone has the time or patience to sell on eBay.

"They just don't want to deal with the hassle. They don't want to take the picture, they don't want to deal with shipping -- who wants to stand in line at the post office? Nobody," Kleiman said.

Kleiman's company, Foundvalue, takes care of all that.

Debra Olshan Cooper said she has plenty to sell -- clothes she doesn't wear anymore, toys her daughter has outgrown and gadgets her husband has tired of -- all taking up valuable space in her Manhattan apartment.

"What I find myself doing is either giving it to the doorman, giving it to friends, putting it out back and just wanting to get rid of things quickly," Cooper said.

Enter Ross McIntire, a Foundvalue specialist. He comes to your home, tells you what he feels is sellable, then, best of all, he takes it all away.

"I take it all out of your house then and there, so it's out of mind all you have to do is wait for your check," McIntyre said.

Of course, you pay for the service -- 35 percent, plus fees for the first $250 sold, with declining percentages after that.

Some might say it's a steep price for something you could do yourself, but Cooper sees it differently.

"I've been giving stuff away for free and getting nothing for it, so if somebody's getting a little money for their time, that's fine with me," Cooper said.