What's your Price?

The difference between cheap, free and priceless.

Free is something that is wanting to be given or taken, an invitation to helping oneself to quantity. 

Cheap, a tempting offer of owning or borrowing for a small price. Though it has its price, indeed, equal to its quality, having it cheap doesn't make it worth of spending one's money, much less having what you're expecting.

And priceless. A thing of value, of quality that is irreplaceable, not to be bought by money but gained by something of equal value.