Giving everyone the benefit of the doubt here- as Cindy posted, your friend most likely is not trying to rip you off and is under the illusion that timeshares are like other real estate and appreciate in value. If you spend some time here you will quickly realize that approximately half of the purchase price from the developer pays for all their marketing - including their sales incentives, discounted trips, etc. The buyers actually foot the bill. So the actual real estate is worth only about half of the purchase price, and in many cases substantially less.
Depending on the property and developer, the resale value may be as low as 10%. Even the most desirable properties generally can be purchased resale for a third off developer prices. Most timeshares, if bought from the developer, do not appreciate, with a few exceptions; the most marked exceptions are high end properties (like Marriotts, DVC, etc.) and esp. when bought at the very beginning of pre-construction pricing.
Most likely, your friend is asking what he/she thinks it is worth. Most people on this Board, as savvy as they are, will freely admit that their first purchase(s) were direct and that, in most cases, they would lose $$'s selling.
at least $15,000 (If it is a contract for only 154,000 yearly Points or less) or more based on the limited 
